18967624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 41832000

約数和(自身を除く): 22864376

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 232, 247, 331, 377, 494, 551, 662, 754, 988, 1102, 1324, 1508, 1976, 2204, 2648, 3016, 4303, 4408, 6289, 7163, 8606, 9599, 12578, 14326, 17212, 19198, 25156, 28652, 34424, 38396, 50312, 57304, 76792, 81757, 124787, 163514, 182381, 249574, 327028, 364762, 499148, 654056, 729524, 998296, 1459048, 2370953, 4741906, 9483812, 18967624]

約数ペア:

[(1, 18967624), (2, 9483812), (4, 4741906), (8, 2370953), (13, 1459048), (19, 998296), (26, 729524), (29, 654056), (38, 499148), (52, 364762), (58, 327028), (76, 249574), (104, 182381), (116, 163514), (152, 124787), (232, 81757), (247, 76792), (331, 57304), (377, 50312), (494, 38396), (551, 34424), (662, 28652), (754, 25156), (988, 19198), (1102, 17212), (1324, 14326), (1508, 12578), (1976, 9599), (2204, 8606), (2648, 7163), (3016, 6289), (4303, 4408)]