18588855

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 31080960

約数和(自身を除く): 12492105

約数列:

[1, 3, 5, 15, 29, 87, 145, 151, 283, 435, 453, 755, 849, 1415, 2265, 4245, 4379, 8207, 13137, 21895, 24621, 41035, 42733, 65685, 123105, 128199, 213665, 640995, 1239257, 3717771, 6196285, 18588855]

約数ペア:

[(1, 18588855), (3, 6196285), (5, 3717771), (15, 1239257), (29, 640995), (87, 213665), (145, 128199), (151, 123105), (283, 65685), (435, 42733), (453, 41035), (755, 24621), (849, 21895), (1415, 13137), (2265, 8207), (4245, 4379)]