18862520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27739}}^1$

素因数の和:27767

約数の個数: 32

約数和(自身を含む): 44938800

約数和(自身を除く): 26076280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27739, 55478, 110956, 138695, 221912, 277390, 471563, 554780, 943126, 1109560, 1886252, 2357815, 3772504, 4715630, 9431260, 18862520]

約数ペア:

[(1, 18862520), (2, 9431260), (4, 4715630), (5, 3772504), (8, 2357815), (10, 1886252), (17, 1109560), (20, 943126), (34, 554780), (40, 471563), (68, 277390), (85, 221912), (136, 138695), (170, 110956), (340, 55478), (680, 27739)]