18855866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13411}}^1$

素因数の和:13469

約数の個数: 16

約数和(自身を含む): 30579360

約数和(自身を除く): 11723494

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 13411, 26822, 254809, 496207, 509618, 992414, 9427933, 18855866]

約数ペア:

[(1, 18855866), (2, 9427933), (19, 992414), (37, 509618), (38, 496207), (74, 254809), (703, 26822), (1406, 13411)]