19806774

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1289}}^1$

素因数の和:1504

約数の個数: 32

約数和(自身を含む): 42910560

約数和(自身を除く): 23103786

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 197, 394, 591, 1182, 1289, 2561, 2578, 3867, 5122, 7683, 7734, 15366, 16757, 33514, 50271, 100542, 253933, 507866, 761799, 1523598, 3301129, 6602258, 9903387, 19806774]

約数ペア:

[(1, 19806774), (2, 9903387), (3, 6602258), (6, 3301129), (13, 1523598), (26, 761799), (39, 507866), (78, 253933), (197, 100542), (394, 50271), (591, 33514), (1182, 16757), (1289, 15366), (2561, 7734), (2578, 7683), (3867, 5122)]