19993506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1871}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 43400448

約数和(自身を除く): 23406942

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1781, 1871, 3562, 3742, 5343, 5613, 10686, 11226, 24323, 48646, 72969, 145938, 256327, 512654, 768981, 1537962, 3332251, 6664502, 9996753, 19993506]

約数ペア:

[(1, 19993506), (2, 9996753), (3, 6664502), (6, 3332251), (13, 1537962), (26, 768981), (39, 512654), (78, 256327), (137, 145938), (274, 72969), (411, 48646), (822, 24323), (1781, 11226), (1871, 10686), (3562, 5613), (3742, 5343)]