18816790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{383}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 17263850

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 383, 578, 766, 1445, 1915, 2890, 3830, 4913, 6511, 9826, 13022, 24565, 32555, 49130, 65110, 110687, 221374, 553435, 1106870, 1881679, 3763358, 9408395, 18816790]

約数ペア:

[(1, 18816790), (2, 9408395), (5, 3763358), (10, 1881679), (17, 1106870), (34, 553435), (85, 221374), (170, 110687), (289, 65110), (383, 49130), (578, 32555), (766, 24565), (1445, 13022), (1915, 9826), (2890, 6511), (3830, 4913)]