19983650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7541}}^1$

素因数の和:7606

約数の個数: 24

約数和(自身を含む): 37875924

約数和(自身を除く): 17892274

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7541, 15082, 37705, 75410, 188525, 377050, 399673, 799346, 1998365, 3996730, 9991825, 19983650]

約数ペア:

[(1, 19983650), (2, 9991825), (5, 3996730), (10, 1998365), (25, 799346), (50, 399673), (53, 377050), (106, 188525), (265, 75410), (530, 37705), (1325, 15082), (2650, 7541)]