19813250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{1933}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 38014704

約数和(自身を除く): 18201454

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 1933, 2050, 3866, 5125, 9665, 10250, 19330, 48325, 79253, 96650, 158506, 241625, 396265, 483250, 792530, 1981325, 3962650, 9906625, 19813250]

約数ペア:

[(1, 19813250), (2, 9906625), (5, 3962650), (10, 1981325), (25, 792530), (41, 483250), (50, 396265), (82, 241625), (125, 158506), (205, 96650), (250, 79253), (410, 48325), (1025, 19330), (1933, 10250), (2050, 9665), (3866, 5125)]