18325472

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 21591328

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 659, 869, 1264, 1318, 1738, 2528, 2636, 3476, 5272, 6952, 7249, 10544, 13904, 14498, 21088, 27808, 28996, 52061, 57992, 104122, 115984, 208244, 231968, 416488, 572671, 832976, 1145342, 1665952, 2290684, 4581368, 9162736, 18325472]

約数ペア:

[(1, 18325472), (2, 9162736), (4, 4581368), (8, 2290684), (11, 1665952), (16, 1145342), (22, 832976), (32, 572671), (44, 416488), (79, 231968), (88, 208244), (158, 115984), (176, 104122), (316, 57992), (352, 52061), (632, 28996), (659, 27808), (869, 21088), (1264, 14498), (1318, 13904), (1738, 10544), (2528, 7249), (2636, 6952), (3476, 5272)]