40490558

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1913}}^1$

素因数の和:2491

約数の個数: 16

約数和(自身を含む): 64080720

約数和(自身を除く): 23590162

約数列:

[1, 2, 19, 38, 557, 1114, 1913, 3826, 10583, 21166, 36347, 72694, 1065541, 2131082, 20245279, 40490558]

約数ペア:

[(1, 40490558), (2, 20245279), (19, 2131082), (38, 1065541), (557, 72694), (1114, 36347), (1913, 21166), (3826, 10583)]