18485698

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 19834430

約数列:

[1, 2, 7, 11, 14, 17, 22, 23, 34, 46, 77, 119, 154, 161, 187, 238, 253, 307, 322, 374, 391, 506, 614, 782, 1309, 1771, 2149, 2618, 2737, 3377, 3542, 4298, 4301, 5219, 5474, 6754, 7061, 8602, 10438, 14122, 23639, 30107, 36533, 47278, 49427, 57409, 60214, 73066, 77671, 98854, 114818, 120037, 155342, 240074, 401863, 543697, 803726, 840259, 1087394, 1320407, 1680518, 2640814, 9242849, 18485698]

約数ペア:

[(1, 18485698), (2, 9242849), (7, 2640814), (11, 1680518), (14, 1320407), (17, 1087394), (22, 840259), (23, 803726), (34, 543697), (46, 401863), (77, 240074), (119, 155342), (154, 120037), (161, 114818), (187, 98854), (238, 77671), (253, 73066), (307, 60214), (322, 57409), (374, 49427), (391, 47278), (506, 36533), (614, 30107), (782, 23639), (1309, 14122), (1771, 10438), (2149, 8602), (2618, 7061), (2737, 6754), (3377, 5474), (3542, 5219), (4298, 4301)]