16191940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21881}}^1$

素因数の和:21927

約数の個数: 24

約数和(自身を含む): 34923672

約数和(自身を除く): 18731732

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 21881, 43762, 87524, 109405, 218810, 437620, 809597, 1619194, 3238388, 4047985, 8095970, 16191940]

約数ペア:

[(1, 16191940), (2, 8095970), (4, 4047985), (5, 3238388), (10, 1619194), (20, 809597), (37, 437620), (74, 218810), (148, 109405), (185, 87524), (370, 43762), (740, 21881)]