18211570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4519}}^1$

素因数の和:4570

約数の個数: 32

約数和(自身を含む): 36449280

約数和(自身を除く): 18237710

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4519, 9038, 22595, 45190, 58747, 117494, 140089, 280178, 293735, 587470, 700445, 1400890, 1821157, 3642314, 9105785, 18211570]

約数ペア:

[(1, 18211570), (2, 9105785), (5, 3642314), (10, 1821157), (13, 1400890), (26, 700445), (31, 587470), (62, 293735), (65, 280178), (130, 140089), (155, 117494), (310, 58747), (403, 45190), (806, 22595), (2015, 9038), (4030, 4519)]