19551330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 51325560

約数和(自身を除く): 31774230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 1993, 3270, 3986, 4905, 5979, 9810, 9965, 11958, 17937, 19930, 29895, 35874, 59790, 89685, 179370, 217237, 434474, 651711, 1086185, 1303422, 1955133, 2172370, 3258555, 3910266, 6517110, 9775665, 19551330]

約数ペア:

[(1, 19551330), (2, 9775665), (3, 6517110), (5, 3910266), (6, 3258555), (9, 2172370), (10, 1955133), (15, 1303422), (18, 1086185), (30, 651711), (45, 434474), (90, 217237), (109, 179370), (218, 89685), (327, 59790), (545, 35874), (654, 29895), (981, 19930), (1090, 17937), (1635, 11958), (1962, 9965), (1993, 9810), (3270, 5979), (3986, 4905)]