18805007

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 21362880

約数和(自身を除く): 2557873

約数列:

[1, 13, 23, 109, 299, 577, 1417, 2507, 7501, 13271, 32591, 62893, 172523, 817609, 1446539, 18805007]

約数ペア:

[(1, 18805007), (13, 1446539), (23, 817609), (109, 172523), (299, 62893), (577, 32591), (1417, 13271), (2507, 7501)]