18719600

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{883}}^1$

素因数の和:954

約数の個数: 60

約数和(自身を含む): 45874296

約数和(自身を除く): 27154696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 848, 883, 1060, 1325, 1766, 2120, 2650, 3532, 4240, 4415, 5300, 7064, 8830, 10600, 14128, 17660, 21200, 22075, 35320, 44150, 46799, 70640, 88300, 93598, 176600, 187196, 233995, 353200, 374392, 467990, 748784, 935980, 1169975, 1871960, 2339950, 3743920, 4679900, 9359800, 18719600]

約数ペア:

[(1, 18719600), (2, 9359800), (4, 4679900), (5, 3743920), (8, 2339950), (10, 1871960), (16, 1169975), (20, 935980), (25, 748784), (40, 467990), (50, 374392), (53, 353200), (80, 233995), (100, 187196), (106, 176600), (200, 93598), (212, 88300), (265, 70640), (400, 46799), (424, 44150), (530, 35320), (848, 22075), (883, 21200), (1060, 17660), (1325, 14128), (1766, 10600), (2120, 8830), (2650, 7064), (3532, 5300), (4240, 4415)]