18655693240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27434843}}^1$

素因数の和:27434871

約数の個数: 32

約数和(自身を含む): 44444447280

約数和(自身を除く): 25788754040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27434843, 54869686, 109739372, 137174215, 219478744, 274348430, 466392331, 548696860, 932784662, 1097393720, 1865569324, 2331961655, 3731138648, 4663923310, 9327846620, 18655693240]

約数ペア:

[(1, 18655693240), (2, 9327846620), (4, 4663923310), (5, 3731138648), (8, 2331961655), (10, 1865569324), (17, 1097393720), (20, 932784662), (34, 548696860), (40, 466392331), (68, 274348430), (85, 219478744), (136, 137174215), (170, 109739372), (340, 54869686), (680, 27434843)]