219981938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1777}}^1$

素因数の和:2138

約数の個数: 32

約数和(自身を含む): 382511808

約数和(自身を除く): 162529870

約数列:

[1, 2, 11, 17, 22, 34, 187, 331, 374, 662, 1777, 3554, 3641, 5627, 7282, 11254, 19547, 30209, 39094, 60418, 61897, 123794, 332299, 588187, 664598, 1176374, 6470057, 9999179, 12940114, 19998358, 109990969, 219981938]

約数ペア:

[(1, 219981938), (2, 109990969), (11, 19998358), (17, 12940114), (22, 9999179), (34, 6470057), (187, 1176374), (331, 664598), (374, 588187), (662, 332299), (1777, 123794), (3554, 61897), (3641, 60418), (5627, 39094), (7282, 30209), (11254, 19547)]