18867576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 59512320

約数和(自身を除く): 40644744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 53, 56, 78, 84, 91, 104, 106, 156, 159, 163, 168, 182, 212, 273, 312, 318, 326, 364, 371, 424, 489, 546, 636, 652, 689, 728, 742, 978, 1092, 1113, 1141, 1272, 1304, 1378, 1484, 1956, 2067, 2119, 2184, 2226, 2282, 2756, 2968, 3423, 3912, 4134, 4238, 4452, 4564, 4823, 5512, 6357, 6846, 8268, 8476, 8639, 8904, 9128, 9646, 12714, 13692, 14469, 14833, 16536, 16952, 17278, 19292, 25428, 25917, 27384, 28938, 29666, 34556, 38584, 44499, 50856, 51834, 57876, 59332, 60473, 69112, 88998, 103668, 112307, 115752, 118664, 120946, 177996, 181419, 207336, 224614, 241892, 336921, 355992, 362838, 449228, 483784, 673842, 725676, 786149, 898456, 1347684, 1451352, 1572298, 2358447, 2695368, 3144596, 4716894, 6289192, 9433788, 18867576]

約数ペア:

[(1, 18867576), (2, 9433788), (3, 6289192), (4, 4716894), (6, 3144596), (7, 2695368), (8, 2358447), (12, 1572298), (13, 1451352), (14, 1347684), (21, 898456), (24, 786149), (26, 725676), (28, 673842), (39, 483784), (42, 449228), (52, 362838), (53, 355992), (56, 336921), (78, 241892), (84, 224614), (91, 207336), (104, 181419), (106, 177996), (156, 120946), (159, 118664), (163, 115752), (168, 112307), (182, 103668), (212, 88998), (273, 69112), (312, 60473), (318, 59332), (326, 57876), (364, 51834), (371, 50856), (424, 44499), (489, 38584), (546, 34556), (636, 29666), (652, 28938), (689, 27384), (728, 25917), (742, 25428), (978, 19292), (1092, 17278), (1113, 16952), (1141, 16536), (1272, 14833), (1304, 14469), (1378, 13692), (1484, 12714), (1956, 9646), (2067, 9128), (2119, 8904), (2184, 8639), (2226, 8476), (2282, 8268), (2756, 6846), (2968, 6357), (3423, 5512), (3912, 4823), (4134, 4564), (4238, 4452)]