18751860816

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{1471}}^1$

素因数の和:2185

約数の個数: 160

約数和(自身を含む): 53969879040

約数和(自身を除く): 35218018224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 659, 744, 806, 1209, 1318, 1471, 1488, 1612, 1977, 2418, 2636, 2942, 3224, 3954, 4413, 4836, 5272, 5884, 6448, 7908, 8567, 8826, 9672, 10544, 11768, 15816, 17134, 17652, 19123, 19344, 20429, 23536, 25701, 31632, 34268, 35304, 38246, 40858, 45601, 51402, 57369, 61287, 68536, 70608, 76492, 81716, 91202, 102804, 114738, 122574, 136803, 137072, 152984, 163432, 182404, 205608, 229476, 245148, 265577, 273606, 305968, 326864, 364808, 411216, 458952, 490296, 531154, 547212, 592813, 729616, 796731, 917904, 969389, 980592, 1062308, 1094424, 1185626, 1593462, 1778439, 1938778, 2124616, 2188848, 2371252, 2908167, 3186924, 3556878, 3877556, 4249232, 4742504, 5816334, 6373848, 7113756, 7755112, 9485008, 11632668, 12602057, 12747696, 14227512, 15510224, 23265336, 25204114, 28455024, 30051059, 37806171, 46530672, 50408228, 60102118, 75612342, 90153177, 100816456, 120204236, 151224684, 180306354, 201632912, 240408472, 302449368, 360612708, 390663767, 480816944, 604898736, 721225416, 781327534, 1171991301, 1442450832, 1562655068, 2343982602, 3125310136, 4687965204, 6250620272, 9375930408, 18751860816]

約数ペア:

[(1, 18751860816), (2, 9375930408), (3, 6250620272), (4, 4687965204), (6, 3125310136), (8, 2343982602), (12, 1562655068), (13, 1442450832), (16, 1171991301), (24, 781327534), (26, 721225416), (31, 604898736), (39, 480816944), (48, 390663767), (52, 360612708), (62, 302449368), (78, 240408472), (93, 201632912), (104, 180306354), (124, 151224684), (156, 120204236), (186, 100816456), (208, 90153177), (248, 75612342), (312, 60102118), (372, 50408228), (403, 46530672), (496, 37806171), (624, 30051059), (659, 28455024), (744, 25204114), (806, 23265336), (1209, 15510224), (1318, 14227512), (1471, 12747696), (1488, 12602057), (1612, 11632668), (1977, 9485008), (2418, 7755112), (2636, 7113756), (2942, 6373848), (3224, 5816334), (3954, 4742504), (4413, 4249232), (4836, 3877556), (5272, 3556878), (5884, 3186924), (6448, 2908167), (7908, 2371252), (8567, 2188848), (8826, 2124616), (9672, 1938778), (10544, 1778439), (11768, 1593462), (15816, 1185626), (17134, 1094424), (17652, 1062308), (19123, 980592), (19344, 969389), (20429, 917904), (23536, 796731), (25701, 729616), (31632, 592813), (34268, 547212), (35304, 531154), (38246, 490296), (40858, 458952), (45601, 411216), (51402, 364808), (57369, 326864), (61287, 305968), (68536, 273606), (70608, 265577), (76492, 245148), (81716, 229476), (91202, 205608), (102804, 182404), (114738, 163432), (122574, 152984), (136803, 137072)]