19005619204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{455159}}^1$

素因数の和:455260

約数の個数: 48

約数和(自身を含む): 39609843840

約数和(自身を除く): 20604224636

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 73, 143, 146, 286, 292, 572, 803, 949, 1606, 1898, 3212, 3796, 10439, 20878, 41756, 455159, 910318, 1820636, 5006749, 5917067, 10013498, 11834134, 20026996, 23668268, 33226607, 65087737, 66453214, 130175474, 132906428, 260350948, 365492677, 431945891, 730985354, 863891782, 1461970708, 1727783564, 4751404801, 9502809602, 19005619204]

約数ペア:

[(1, 19005619204), (2, 9502809602), (4, 4751404801), (11, 1727783564), (13, 1461970708), (22, 863891782), (26, 730985354), (44, 431945891), (52, 365492677), (73, 260350948), (143, 132906428), (146, 130175474), (286, 66453214), (292, 65087737), (572, 33226607), (803, 23668268), (949, 20026996), (1606, 11834134), (1898, 10013498), (3212, 5917067), (3796, 5006749), (10439, 1820636), (20878, 910318), (41756, 455159)]