17900946

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 31865454

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 29, 42, 46, 54, 58, 63, 69, 71, 87, 126, 138, 142, 161, 174, 189, 203, 207, 213, 261, 322, 378, 406, 414, 426, 483, 497, 522, 609, 621, 639, 667, 783, 966, 994, 1218, 1242, 1278, 1334, 1449, 1491, 1566, 1633, 1827, 1917, 2001, 2059, 2898, 2982, 3266, 3654, 3834, 4002, 4118, 4347, 4473, 4669, 4899, 5481, 6003, 6177, 8694, 8946, 9338, 9798, 10962, 11431, 12006, 12354, 13419, 14007, 14413, 14697, 18009, 18531, 22862, 26838, 28014, 28826, 29394, 34293, 36018, 37062, 42021, 43239, 44091, 47357, 55593, 68586, 84042, 86478, 88182, 94714, 102879, 111186, 126063, 129717, 142071, 205758, 252126, 259434, 284142, 308637, 331499, 389151, 426213, 617274, 662998, 778302, 852426, 994497, 1278639, 1988994, 2557278, 2983491, 5966982, 8950473, 17900946]

約数ペア:

[(1, 17900946), (2, 8950473), (3, 5966982), (6, 2983491), (7, 2557278), (9, 1988994), (14, 1278639), (18, 994497), (21, 852426), (23, 778302), (27, 662998), (29, 617274), (42, 426213), (46, 389151), (54, 331499), (58, 308637), (63, 284142), (69, 259434), (71, 252126), (87, 205758), (126, 142071), (138, 129717), (142, 126063), (161, 111186), (174, 102879), (189, 94714), (203, 88182), (207, 86478), (213, 84042), (261, 68586), (322, 55593), (378, 47357), (406, 44091), (414, 43239), (426, 42021), (483, 37062), (497, 36018), (522, 34293), (609, 29394), (621, 28826), (639, 28014), (667, 26838), (783, 22862), (966, 18531), (994, 18009), (1218, 14697), (1242, 14413), (1278, 14007), (1334, 13419), (1449, 12354), (1491, 12006), (1566, 11431), (1633, 10962), (1827, 9798), (1917, 9338), (2001, 8946), (2059, 8694), (2898, 6177), (2982, 6003), (3266, 5481), (3654, 4899), (3834, 4669), (4002, 4473), (4118, 4347)]