18907300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2748

約数の個数: 36

約数和(自身を含む): 41622336

約数和(自身を除く): 22715036

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2663, 3550, 5326, 7100, 10652, 13315, 26630, 53260, 66575, 133150, 189073, 266300, 378146, 756292, 945365, 1890730, 3781460, 4726825, 9453650, 18907300]

約数ペア:

[(1, 18907300), (2, 9453650), (4, 4726825), (5, 3781460), (10, 1890730), (20, 945365), (25, 756292), (50, 378146), (71, 266300), (100, 189073), (142, 133150), (284, 66575), (355, 53260), (710, 26630), (1420, 13315), (1775, 10652), (2663, 7100), (3550, 5326)]