18211690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13693}}^1$

素因数の和:13726

約数の個数: 32

約数和(自身を含む): 39438720

約数和(自身を除く): 21227030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 13693, 27386, 68465, 95851, 136930, 191702, 260167, 479255, 520334, 958510, 1300835, 1821169, 2601670, 3642338, 9105845, 18211690]

約数ペア:

[(1, 18211690), (2, 9105845), (5, 3642338), (7, 2601670), (10, 1821169), (14, 1300835), (19, 958510), (35, 520334), (38, 479255), (70, 260167), (95, 191702), (133, 136930), (190, 95851), (266, 68465), (665, 27386), (1330, 13693)]