18785624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16421}}^1$

素因数の和:16451

約数の個数: 32

約数和(自身を含む): 41383440

約数和(自身を除く): 22597816

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 16421, 32842, 65684, 131368, 180631, 213473, 361262, 426946, 722524, 853892, 1445048, 1707784, 2348203, 4696406, 9392812, 18785624]

約数ペア:

[(1, 18785624), (2, 9392812), (4, 4696406), (8, 2348203), (11, 1707784), (13, 1445048), (22, 853892), (26, 722524), (44, 426946), (52, 361262), (88, 213473), (104, 180631), (143, 131368), (286, 65684), (572, 32842), (1144, 16421)]