1916891570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{917173}}^1$

素因数の和:917210

約数の個数: 32

約数和(自身を含む): 3962191680

約数和(自身を除く): 2045300110

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 917173, 1834346, 4585865, 9171730, 10088903, 17426287, 20177806, 34852574, 50444515, 87131435, 100889030, 174262870, 191689157, 383378314, 958445785, 1916891570]

約数ペア:

[(1, 1916891570), (2, 958445785), (5, 383378314), (10, 191689157), (11, 174262870), (19, 100889030), (22, 87131435), (38, 50444515), (55, 34852574), (95, 20177806), (110, 17426287), (190, 10088903), (209, 9171730), (418, 4585865), (1045, 1834346), (2090, 917173)]