19181380

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3539}}^1$

素因数の和:3819

約数の個数: 24

約数和(自身を含む): 40440960

約数和(自身を除く): 21259580

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 3539, 5420, 7078, 14156, 17695, 35390, 70780, 959069, 1918138, 3836276, 4795345, 9590690, 19181380]

約数ペア:

[(1, 19181380), (2, 9590690), (4, 4795345), (5, 3836276), (10, 1918138), (20, 959069), (271, 70780), (542, 35390), (1084, 17695), (1355, 14156), (2710, 7078), (3539, 5420)]