18810160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13831}}^1$

素因数の和:13861

約数の個数: 40

約数和(自身を含む): 46309536

約数和(自身を除く): 27499376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13831, 27662, 55324, 69155, 110648, 138310, 221296, 235127, 276620, 470254, 553240, 940508, 1106480, 1175635, 1881016, 2351270, 3762032, 4702540, 9405080, 18810160]

約数ペア:

[(1, 18810160), (2, 9405080), (4, 4702540), (5, 3762032), (8, 2351270), (10, 1881016), (16, 1175635), (17, 1106480), (20, 940508), (34, 553240), (40, 470254), (68, 276620), (80, 235127), (85, 221296), (136, 138310), (170, 110648), (272, 69155), (340, 55324), (680, 27662), (1360, 13831)]