38919180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{648653}}^1$

素因数の和:648665

約数の個数: 24

約数和(自身を含む): 108973872

約数和(自身を除く): 70054692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 648653, 1297306, 1945959, 2594612, 3243265, 3891918, 6486530, 7783836, 9729795, 12973060, 19459590, 38919180]

約数ペア:

[(1, 38919180), (2, 19459590), (3, 12973060), (4, 9729795), (5, 7783836), (6, 6486530), (10, 3891918), (12, 3243265), (15, 2594612), (20, 1945959), (30, 1297306), (60, 648653)]