18975800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1201}}^1$

素因数の和:1296

約数の個数: 48

約数和(自身を含む): 44714400

約数和(自身を除く): 25738600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1201, 1580, 1975, 2402, 3160, 3950, 4804, 6005, 7900, 9608, 12010, 15800, 24020, 30025, 48040, 60050, 94879, 120100, 189758, 240200, 379516, 474395, 759032, 948790, 1897580, 2371975, 3795160, 4743950, 9487900, 18975800]

約数ペア:

[(1, 18975800), (2, 9487900), (4, 4743950), (5, 3795160), (8, 2371975), (10, 1897580), (20, 948790), (25, 759032), (40, 474395), (50, 379516), (79, 240200), (100, 189758), (158, 120100), (200, 94879), (316, 60050), (395, 48040), (632, 30025), (790, 24020), (1201, 15800), (1580, 12010), (1975, 9608), (2402, 7900), (3160, 6005), (3950, 4804)]