18974220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4003}}^1$

素因数の和:4094

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 34839540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4003, 4740, 8006, 12009, 16012, 20015, 24018, 40030, 48036, 60045, 80060, 120090, 240180, 316237, 632474, 948711, 1264948, 1581185, 1897422, 3162370, 3794844, 4743555, 6324740, 9487110, 18974220]

約数ペア:

[(1, 18974220), (2, 9487110), (3, 6324740), (4, 4743555), (5, 3794844), (6, 3162370), (10, 1897422), (12, 1581185), (15, 1264948), (20, 948711), (30, 632474), (60, 316237), (79, 240180), (158, 120090), (237, 80060), (316, 60045), (395, 48036), (474, 40030), (790, 24018), (948, 20015), (1185, 16012), (1580, 12009), (2370, 8006), (4003, 4740)]