18975376

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 45612160

約数和(自身を除く): 26636784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 37, 38, 56, 74, 76, 112, 133, 148, 152, 241, 259, 266, 296, 304, 482, 518, 532, 592, 703, 964, 1036, 1064, 1406, 1687, 1928, 2072, 2128, 2812, 3374, 3856, 4144, 4579, 4921, 5624, 6748, 8917, 9158, 9842, 11248, 13496, 17834, 18316, 19684, 26992, 32053, 35668, 36632, 39368, 62419, 64106, 71336, 73264, 78736, 124838, 128212, 142672, 169423, 249676, 256424, 338846, 499352, 512848, 677692, 998704, 1185961, 1355384, 2371922, 2710768, 4743844, 9487688, 18975376]

約数ペア:

[(1, 18975376), (2, 9487688), (4, 4743844), (7, 2710768), (8, 2371922), (14, 1355384), (16, 1185961), (19, 998704), (28, 677692), (37, 512848), (38, 499352), (56, 338846), (74, 256424), (76, 249676), (112, 169423), (133, 142672), (148, 128212), (152, 124838), (241, 78736), (259, 73264), (266, 71336), (296, 64106), (304, 62419), (482, 39368), (518, 36632), (532, 35668), (592, 32053), (703, 26992), (964, 19684), (1036, 18316), (1064, 17834), (1406, 13496), (1687, 11248), (1928, 9842), (2072, 9158), (2128, 8917), (2812, 6748), (3374, 5624), (3856, 4921), (4144, 4579)]