18354973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{503}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 22692096

約数和(自身を除く): 4337123

約数列:

[1, 7, 13, 91, 401, 503, 2807, 3521, 5213, 6539, 36491, 45773, 201703, 1411921, 2622139, 18354973]

約数ペア:

[(1, 18354973), (7, 2622139), (13, 1411921), (91, 201703), (401, 45773), (503, 36491), (2807, 6539), (3521, 5213)]