19704868

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 35639744

約数和(自身を除く): 15934876

約数列:

[1, 2, 4, 37, 74, 148, 211, 422, 631, 844, 1262, 2524, 7807, 15614, 23347, 31228, 46694, 93388, 133141, 266282, 532564, 4926217, 9852434, 19704868]

約数ペア:

[(1, 19704868), (2, 9852434), (4, 4926217), (37, 532564), (74, 266282), (148, 133141), (211, 93388), (422, 46694), (631, 31228), (844, 23347), (1262, 15614), (2524, 7807)]