18481892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 38572800

約数和(自身を除く): 20090908

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 79, 143, 158, 286, 316, 409, 572, 818, 869, 1027, 1636, 1738, 2054, 3476, 4108, 4499, 5317, 8998, 10634, 11297, 17996, 21268, 22594, 32311, 45188, 58487, 64622, 116974, 129244, 233948, 355421, 420043, 710842, 840086, 1421684, 1680172, 4620473, 9240946, 18481892]

約数ペア:

[(1, 18481892), (2, 9240946), (4, 4620473), (11, 1680172), (13, 1421684), (22, 840086), (26, 710842), (44, 420043), (52, 355421), (79, 233948), (143, 129244), (158, 116974), (286, 64622), (316, 58487), (409, 45188), (572, 32311), (818, 22594), (869, 21268), (1027, 17996), (1636, 11297), (1738, 10634), (2054, 8998), (3476, 5317), (4108, 4499)]