18973648

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2129}}^1$

素因数の和:2694

約数の個数: 20

約数和(自身を含む): 36844740

約数和(自身を除く): 17871092

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2129, 2228, 4258, 4456, 8516, 8912, 17032, 34064, 1185853, 2371706, 4743412, 9486824, 18973648]

約数ペア:

[(1, 18973648), (2, 9486824), (4, 4743412), (8, 2371706), (16, 1185853), (557, 34064), (1114, 17032), (2129, 8912), (2228, 8516), (4258, 4456)]