19900101

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{827}}^1$

素因数の和:1460

約数の個数: 16

約数和(自身を含む): 28655424

約数和(自身を除く): 8755323

約数列:

[1, 3, 13, 39, 617, 827, 1851, 2481, 8021, 10751, 24063, 32253, 510259, 1530777, 6633367, 19900101]

約数ペア:

[(1, 19900101), (3, 6633367), (13, 1530777), (39, 510259), (617, 32253), (827, 24063), (1851, 10751), (2481, 8021)]