18240690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{46771}}^1$

素因数の和:46794

約数の個数: 32

約数和(自身を含む): 47146176

約数和(自身を除く): 28905486

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 46771, 93542, 140313, 233855, 280626, 467710, 608023, 701565, 1216046, 1403130, 1824069, 3040115, 3648138, 6080230, 9120345, 18240690]

約数ペア:

[(1, 18240690), (2, 9120345), (3, 6080230), (5, 3648138), (6, 3040115), (10, 1824069), (13, 1403130), (15, 1216046), (26, 701565), (30, 608023), (39, 467710), (65, 280626), (78, 233855), (130, 140313), (195, 93542), (390, 46771)]