19305601

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 22872960

約数和(自身を除く): 3567359

約数列:

[1, 7, 37, 131, 259, 569, 917, 3983, 4847, 21053, 33929, 74539, 147371, 521773, 2757943, 19305601]

約数ペア:

[(1, 19305601), (7, 2757943), (37, 521773), (131, 147371), (259, 74539), (569, 33929), (917, 21053), (3983, 4847)]