19858370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{773}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 41015808

約数和(自身を除く): 21157438

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 367, 734, 773, 1546, 1835, 2569, 3670, 3865, 5138, 5411, 7730, 10822, 12845, 25690, 27055, 54110, 283691, 567382, 1418455, 1985837, 2836910, 3971674, 9929185, 19858370]

約数ペア:

[(1, 19858370), (2, 9929185), (5, 3971674), (7, 2836910), (10, 1985837), (14, 1418455), (35, 567382), (70, 283691), (367, 54110), (734, 27055), (773, 25690), (1546, 12845), (1835, 10822), (2569, 7730), (3670, 5411), (3865, 5138)]