18020512

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 37830240

約数和(自身を除く): 19809728

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 107, 152, 214, 277, 304, 428, 554, 608, 856, 1108, 1712, 2033, 2216, 3424, 4066, 4432, 5263, 8132, 8864, 10526, 16264, 21052, 29639, 32528, 42104, 59278, 65056, 84208, 118556, 168416, 237112, 474224, 563141, 948448, 1126282, 2252564, 4505128, 9010256, 18020512]

約数ペア:

[(1, 18020512), (2, 9010256), (4, 4505128), (8, 2252564), (16, 1126282), (19, 948448), (32, 563141), (38, 474224), (76, 237112), (107, 168416), (152, 118556), (214, 84208), (277, 65056), (304, 59278), (428, 42104), (554, 32528), (608, 29639), (856, 21052), (1108, 16264), (1712, 10526), (2033, 8864), (2216, 8132), (3424, 5263), (4066, 4432)]