18495568

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12703}}^1$

素因数の和:12731

約数の個数: 40

約数和(自身を含む): 44108288

約数和(自身を除く): 25612720

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12703, 25406, 50812, 88921, 101624, 165139, 177842, 203248, 330278, 355684, 660556, 711368, 1155973, 1321112, 1422736, 2311946, 2642224, 4623892, 9247784, 18495568]

約数ペア:

[(1, 18495568), (2, 9247784), (4, 4623892), (7, 2642224), (8, 2311946), (13, 1422736), (14, 1321112), (16, 1155973), (26, 711368), (28, 660556), (52, 355684), (56, 330278), (91, 203248), (104, 177842), (112, 165139), (182, 101624), (208, 88921), (364, 50812), (728, 25406), (1456, 12703)]