18666726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 41504400

約数和(自身を除く): 22837674

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 169, 246, 338, 449, 507, 533, 898, 1014, 1066, 1347, 1599, 2694, 3198, 5837, 6929, 11674, 13858, 17511, 18409, 20787, 35022, 36818, 41574, 55227, 75881, 110454, 151762, 227643, 239317, 455286, 478634, 717951, 1435902, 3111121, 6222242, 9333363, 18666726]

約数ペア:

[(1, 18666726), (2, 9333363), (3, 6222242), (6, 3111121), (13, 1435902), (26, 717951), (39, 478634), (41, 455286), (78, 239317), (82, 227643), (123, 151762), (169, 110454), (246, 75881), (338, 55227), (449, 41574), (507, 36818), (533, 35022), (898, 20787), (1014, 18409), (1066, 17511), (1347, 13858), (1599, 11674), (2694, 6929), (3198, 5837)]