19164080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18427}}^1$

素因数の和:18453

約数の個数: 40

約数和(自身を含む): 47986512

約数和(自身を除く): 28822432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18427, 36854, 73708, 92135, 147416, 184270, 239551, 294832, 368540, 479102, 737080, 958204, 1197755, 1474160, 1916408, 2395510, 3832816, 4791020, 9582040, 19164080]

約数ペア:

[(1, 19164080), (2, 9582040), (4, 4791020), (5, 3832816), (8, 2395510), (10, 1916408), (13, 1474160), (16, 1197755), (20, 958204), (26, 737080), (40, 479102), (52, 368540), (65, 294832), (80, 239551), (104, 184270), (130, 147416), (208, 92135), (260, 73708), (520, 36854), (1040, 18427)]