18619360

素因数分解:

$2^5\times 5^1\times {\mathrm{116371}}^1$

素因数の和:116386

約数の個数: 24

約数和(自身を含む): 43988616

約数和(自身を除く): 25369256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 116371, 232742, 465484, 581855, 930968, 1163710, 1861936, 2327420, 3723872, 4654840, 9309680, 18619360]

約数ペア:

[(1, 18619360), (2, 9309680), (4, 4654840), (5, 3723872), (8, 2327420), (10, 1861936), (16, 1163710), (20, 930968), (32, 581855), (40, 465484), (80, 232742), (160, 116371)]