19490591

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 21150720

約数和(自身を除く): 1660129

約数列:

[1, 23, 53, 59, 271, 1219, 1357, 3127, 6233, 14363, 15989, 71921, 330349, 367747, 847417, 19490591]

約数ペア:

[(1, 19490591), (23, 847417), (53, 367747), (59, 330349), (271, 71921), (1219, 15989), (1357, 14363), (3127, 6233)]