19739450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9629}}^1$

素因数の和:9682

約数の個数: 24

約数和(自身を含む): 37614780

約数和(自身を除く): 17875330

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 9629, 19258, 48145, 96290, 240725, 394789, 481450, 789578, 1973945, 3947890, 9869725, 19739450]

約数ペア:

[(1, 19739450), (2, 9869725), (5, 3947890), (10, 1973945), (25, 789578), (41, 481450), (50, 394789), (82, 240725), (205, 96290), (410, 48145), (1025, 19258), (2050, 9629)]