18970240

素因数分解:

$2^7\times 5^1\times {\mathrm{29641}}^1$

素因数の和:29660

約数の個数: 32

約数和(自身を含む): 45352260

約数和(自身を除く): 26382020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29641, 59282, 118564, 148205, 237128, 296410, 474256, 592820, 948512, 1185640, 1897024, 2371280, 3794048, 4742560, 9485120, 18970240]

約数ペア:

[(1, 18970240), (2, 9485120), (4, 4742560), (5, 3794048), (8, 2371280), (10, 1897024), (16, 1185640), (20, 948512), (32, 592820), (40, 474256), (64, 296410), (80, 237128), (128, 148205), (160, 118564), (320, 59282), (640, 29641)]