19464001921

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{2350441}}^1$

素因数の和:2350481

約数の個数: 18

約数和(自身を含む): 24517460502

約数和(自身を除く): 5053458581

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 2350441, 16453087, 30555733, 115171609, 213890131, 397224529, 1497230917, 2780571703, 19464001921]

約数ペア:

[(1, 19464001921), (7, 2780571703), (13, 1497230917), (49, 397224529), (91, 213890131), (169, 115171609), (637, 30555733), (1183, 16453087), (8281, 2350441)]