18717088

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3461}}^1$

素因数の和:3497

約数の個数: 36

約数和(自身を含む): 39913398

約数和(自身を除く): 21196310

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3461, 5408, 6922, 13844, 27688, 44993, 55376, 89986, 110752, 179972, 359944, 584909, 719888, 1169818, 1439776, 2339636, 4679272, 9358544, 18717088]

約数ペア:

[(1, 18717088), (2, 9358544), (4, 4679272), (8, 2339636), (13, 1439776), (16, 1169818), (26, 719888), (32, 584909), (52, 359944), (104, 179972), (169, 110752), (208, 89986), (338, 55376), (416, 44993), (676, 27688), (1352, 13844), (2704, 6922), (3461, 5408)]