1900871819

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{226483}}^1$

素因数の和:226610

約数の個数: 16

約数和(自身を含む): 2391671040

約数和(自身を除く): 490799221

約数列:

[1, 7, 11, 77, 109, 763, 1199, 8393, 226483, 1585381, 2491313, 17439191, 24686647, 172806529, 271553117, 1900871819]

約数ペア:

[(1, 1900871819), (7, 271553117), (11, 172806529), (77, 24686647), (109, 17439191), (763, 2491313), (1199, 1585381), (8393, 226483)]