18741788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{821}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 35444640

約数和(自身を除く): 16702852

約数列:

[1, 2, 4, 13, 26, 52, 439, 821, 878, 1642, 1756, 3284, 5707, 10673, 11414, 21346, 22828, 42692, 360419, 720838, 1441676, 4685447, 9370894, 18741788]

約数ペア:

[(1, 18741788), (2, 9370894), (4, 4685447), (13, 1441676), (26, 720838), (52, 360419), (439, 42692), (821, 22828), (878, 21346), (1642, 11414), (1756, 10673), (3284, 5707)]