18758428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2389}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 35601440

約数和(自身を除く): 16843012

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2389, 3926, 4778, 7852, 9556, 31057, 62114, 124228, 360739, 721478, 1442956, 4689607, 9379214, 18758428]

約数ペア:

[(1, 18758428), (2, 9379214), (4, 4689607), (13, 1442956), (26, 721478), (52, 360739), (151, 124228), (302, 62114), (604, 31057), (1963, 9556), (2389, 7852), (3926, 4778)]