18404204

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 41827968

約数和(自身を除く): 23423764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 233, 364, 403, 434, 466, 637, 806, 868, 932, 1274, 1519, 1612, 1631, 2548, 2821, 3029, 3038, 3262, 5642, 6058, 6076, 6524, 7223, 11284, 11417, 12116, 14446, 19747, 21203, 22834, 28892, 39494, 42406, 45668, 50561, 78988, 84812, 93899, 101122, 148421, 187798, 202244, 296842, 353927, 375596, 593684, 657293, 707854, 1314586, 1415708, 2629172, 4601051, 9202102, 18404204]

約数ペア:

[(1, 18404204), (2, 9202102), (4, 4601051), (7, 2629172), (13, 1415708), (14, 1314586), (26, 707854), (28, 657293), (31, 593684), (49, 375596), (52, 353927), (62, 296842), (91, 202244), (98, 187798), (124, 148421), (182, 101122), (196, 93899), (217, 84812), (233, 78988), (364, 50561), (403, 45668), (434, 42406), (466, 39494), (637, 28892), (806, 22834), (868, 21203), (932, 19747), (1274, 14446), (1519, 12116), (1612, 11417), (1631, 11284), (2548, 7223), (2821, 6524), (3029, 6076), (3038, 6058), (3262, 5642)]