17921320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12109}}^1$

素因数の和:12157

約数の個数: 32

約数和(自身を含む): 41416200

約数和(自身を除く): 23494880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12109, 24218, 48436, 60545, 96872, 121090, 242180, 448033, 484360, 896066, 1792132, 2240165, 3584264, 4480330, 8960660, 17921320]

約数ペア:

[(1, 17921320), (2, 8960660), (4, 4480330), (5, 3584264), (8, 2240165), (10, 1792132), (20, 896066), (37, 484360), (40, 448033), (74, 242180), (148, 121090), (185, 96872), (296, 60545), (370, 48436), (740, 24218), (1480, 12109)]