2018091621

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{11981}}^1$

素因数の和:12621

約数の個数: 32

約数和(自身を含む): 3317384448

約数和(自身を除く): 1299292827

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 617, 1851, 4319, 8021, 11981, 12957, 24063, 35943, 56147, 83867, 155753, 168441, 251601, 467259, 1090271, 3270813, 7392277, 22176831, 51745939, 96099601, 155237817, 288298803, 672697207, 2018091621]

約数ペア:

[(1, 2018091621), (3, 672697207), (7, 288298803), (13, 155237817), (21, 96099601), (39, 51745939), (91, 22176831), (273, 7392277), (617, 3270813), (1851, 1090271), (4319, 467259), (8021, 251601), (11981, 168441), (12957, 155753), (24063, 83867), (35943, 56147)]