18487794

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 39985344

約数和(自身を除く): 21497550

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 421, 563, 842, 1126, 1263, 1689, 2526, 3378, 5473, 7319, 10946, 14638, 16419, 21957, 32838, 43914, 237023, 474046, 711069, 1422138, 3081299, 6162598, 9243897, 18487794]

約数ペア:

[(1, 18487794), (2, 9243897), (3, 6162598), (6, 3081299), (13, 1422138), (26, 711069), (39, 474046), (78, 237023), (421, 43914), (563, 32838), (842, 21957), (1126, 16419), (1263, 14638), (1689, 10946), (2526, 7319), (3378, 5473)]