13081690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2278

約数の個数: 32

約数和(自身を含む): 25597440

約数和(自身を除く): 12515750

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2221, 2945, 4442, 5890, 11105, 22210, 42199, 68851, 84398, 137702, 210995, 344255, 421990, 688510, 1308169, 2616338, 6540845, 13081690]

約数ペア:

[(1, 13081690), (2, 6540845), (5, 2616338), (10, 1308169), (19, 688510), (31, 421990), (38, 344255), (62, 210995), (95, 137702), (155, 84398), (190, 68851), (310, 42199), (589, 22210), (1178, 11105), (2221, 5890), (2945, 4442)]