18405072

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:102

約数の個数: 180

約数和(自身を含む): 64028640

約数和(自身を除く): 45623568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 31, 36, 38, 42, 48, 56, 57, 62, 63, 72, 76, 84, 93, 112, 114, 124, 126, 133, 144, 152, 168, 171, 186, 217, 228, 248, 252, 266, 279, 304, 336, 342, 372, 399, 434, 456, 496, 504, 532, 558, 589, 651, 684, 744, 798, 868, 912, 961, 1008, 1064, 1116, 1178, 1197, 1302, 1368, 1488, 1596, 1736, 1767, 1922, 1953, 2128, 2232, 2356, 2394, 2604, 2736, 2883, 3192, 3472, 3534, 3844, 3906, 4123, 4464, 4712, 4788, 5208, 5301, 5766, 6384, 6727, 7068, 7688, 7812, 8246, 8649, 9424, 9576, 10416, 10602, 11532, 12369, 13454, 14136, 15376, 15624, 16492, 17298, 18259, 19152, 20181, 21204, 23064, 24738, 26908, 28272, 31248, 32984, 34596, 36518, 37107, 40362, 42408, 46128, 49476, 53816, 54777, 60543, 65968, 69192, 73036, 74214, 80724, 84816, 98952, 107632, 109554, 121086, 127813, 138384, 146072, 148428, 161448, 164331, 197904, 219108, 242172, 255626, 292144, 296856, 322896, 328662, 383439, 438216, 484344, 511252, 593712, 657324, 766878, 876432, 968688, 1022504, 1150317, 1314648, 1533756, 2045008, 2300634, 2629296, 3067512, 4601268, 6135024, 9202536, 18405072]

約数ペア:

[(1, 18405072), (2, 9202536), (3, 6135024), (4, 4601268), (6, 3067512), (7, 2629296), (8, 2300634), (9, 2045008), (12, 1533756), (14, 1314648), (16, 1150317), (18, 1022504), (19, 968688), (21, 876432), (24, 766878), (28, 657324), (31, 593712), (36, 511252), (38, 484344), (42, 438216), (48, 383439), (56, 328662), (57, 322896), (62, 296856), (63, 292144), (72, 255626), (76, 242172), (84, 219108), (93, 197904), (112, 164331), (114, 161448), (124, 148428), (126, 146072), (133, 138384), (144, 127813), (152, 121086), (168, 109554), (171, 107632), (186, 98952), (217, 84816), (228, 80724), (248, 74214), (252, 73036), (266, 69192), (279, 65968), (304, 60543), (336, 54777), (342, 53816), (372, 49476), (399, 46128), (434, 42408), (456, 40362), (496, 37107), (504, 36518), (532, 34596), (558, 32984), (589, 31248), (651, 28272), (684, 26908), (744, 24738), (798, 23064), (868, 21204), (912, 20181), (961, 19152), (1008, 18259), (1064, 17298), (1116, 16492), (1178, 15624), (1197, 15376), (1302, 14136), (1368, 13454), (1488, 12369), (1596, 11532), (1736, 10602), (1767, 10416), (1922, 9576), (1953, 9424), (2128, 8649), (2232, 8246), (2356, 7812), (2394, 7688), (2604, 7068), (2736, 6727), (2883, 6384), (3192, 5766), (3472, 5301), (3534, 5208), (3844, 4788), (3906, 4712), (4123, 4464)]