19790560

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3343}}^1$

素因数の和:3395

約数の個数: 48

約数和(自身を含む): 48033216

約数和(自身を除く): 28242656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3343, 5920, 6686, 13372, 16715, 26744, 33430, 53488, 66860, 106976, 123691, 133720, 247382, 267440, 494764, 534880, 618455, 989528, 1236910, 1979056, 2473820, 3958112, 4947640, 9895280, 19790560]

約数ペア:

[(1, 19790560), (2, 9895280), (4, 4947640), (5, 3958112), (8, 2473820), (10, 1979056), (16, 1236910), (20, 989528), (32, 618455), (37, 534880), (40, 494764), (74, 267440), (80, 247382), (148, 133720), (160, 123691), (185, 106976), (296, 66860), (370, 53488), (592, 33430), (740, 26744), (1184, 16715), (1480, 13372), (2960, 6686), (3343, 5920)]