15380972

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 27442800

約数和(自身を除く): 12061828

約数列:

[1, 2, 4, 131, 149, 197, 262, 298, 394, 524, 596, 788, 19519, 25807, 29353, 39038, 51614, 58706, 78076, 103228, 117412, 3845243, 7690486, 15380972]

約数ペア:

[(1, 15380972), (2, 7690486), (4, 3845243), (131, 117412), (149, 103228), (197, 78076), (262, 58706), (298, 51614), (394, 39038), (524, 29353), (596, 25807), (788, 19519)]