18959703

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7109}}^1$

素因数の和:7246

約数の個数: 16

約数和(自身を含む): 29122560

約数和(自身を除く): 10162857

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7109, 21327, 49763, 149289, 902843, 2708529, 6319901, 18959703]

約数ペア:

[(1, 18959703), (3, 6319901), (7, 2708529), (21, 902843), (127, 149289), (381, 49763), (889, 21327), (2667, 7109)]