18721352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10589}}^1$

素因数の和:10625

約数の個数: 32

約数和(自身を含む): 40030200

約数和(自身を除く): 21308848

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10589, 21178, 42356, 84712, 137657, 180013, 275314, 360026, 550628, 720052, 1101256, 1440104, 2340169, 4680338, 9360676, 18721352]

約数ペア:

[(1, 18721352), (2, 9360676), (4, 4680338), (8, 2340169), (13, 1440104), (17, 1101256), (26, 720052), (34, 550628), (52, 360026), (68, 275314), (104, 180013), (136, 137657), (221, 84712), (442, 42356), (884, 21178), (1768, 10589)]