18451888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:99

約数の個数: 160

約数和(自身を含む): 49996800

約数和(自身を除く): 31544912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 23, 26, 28, 29, 38, 46, 52, 56, 58, 76, 91, 92, 104, 112, 116, 133, 152, 161, 182, 184, 203, 208, 232, 247, 266, 299, 304, 322, 364, 368, 377, 406, 437, 464, 494, 532, 551, 598, 644, 667, 728, 754, 812, 874, 988, 1064, 1102, 1196, 1288, 1334, 1456, 1508, 1624, 1729, 1748, 1976, 2093, 2128, 2204, 2392, 2576, 2639, 2668, 3016, 3059, 3248, 3458, 3496, 3857, 3952, 4186, 4408, 4669, 4784, 5278, 5336, 5681, 6032, 6118, 6916, 6992, 7163, 7714, 8372, 8671, 8816, 9338, 10556, 10672, 11362, 12236, 12673, 13832, 14326, 15428, 16744, 17342, 18676, 21112, 22724, 24472, 25346, 27664, 28652, 30856, 33488, 34684, 37352, 39767, 42224, 45448, 48944, 50141, 50692, 57304, 60697, 61712, 69368, 74704, 79534, 88711, 90896, 100282, 101384, 114608, 121394, 138736, 159068, 164749, 177422, 200564, 202768, 242788, 318136, 329498, 354844, 401128, 485576, 636272, 658996, 709688, 802256, 971152, 1153243, 1317992, 1419376, 2306486, 2635984, 4612972, 9225944, 18451888]

約数ペア:

[(1, 18451888), (2, 9225944), (4, 4612972), (7, 2635984), (8, 2306486), (13, 1419376), (14, 1317992), (16, 1153243), (19, 971152), (23, 802256), (26, 709688), (28, 658996), (29, 636272), (38, 485576), (46, 401128), (52, 354844), (56, 329498), (58, 318136), (76, 242788), (91, 202768), (92, 200564), (104, 177422), (112, 164749), (116, 159068), (133, 138736), (152, 121394), (161, 114608), (182, 101384), (184, 100282), (203, 90896), (208, 88711), (232, 79534), (247, 74704), (266, 69368), (299, 61712), (304, 60697), (322, 57304), (364, 50692), (368, 50141), (377, 48944), (406, 45448), (437, 42224), (464, 39767), (494, 37352), (532, 34684), (551, 33488), (598, 30856), (644, 28652), (667, 27664), (728, 25346), (754, 24472), (812, 22724), (874, 21112), (988, 18676), (1064, 17342), (1102, 16744), (1196, 15428), (1288, 14326), (1334, 13832), (1456, 12673), (1508, 12236), (1624, 11362), (1729, 10672), (1748, 10556), (1976, 9338), (2093, 8816), (2128, 8671), (2204, 8372), (2392, 7714), (2576, 7163), (2639, 6992), (2668, 6916), (3016, 6118), (3059, 6032), (3248, 5681), (3458, 5336), (3496, 5278), (3857, 4784), (3952, 4669), (4186, 4408)]