18773780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55217}}^1$

素因数の和:55243

約数の個数: 24

約数和(自身を含む): 41744808

約数和(自身を除く): 22971028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55217, 110434, 220868, 276085, 552170, 938689, 1104340, 1877378, 3754756, 4693445, 9386890, 18773780]

約数ペア:

[(1, 18773780), (2, 9386890), (4, 4693445), (5, 3754756), (10, 1877378), (17, 1104340), (20, 938689), (34, 552170), (68, 276085), (85, 220868), (170, 110434), (340, 55217)]