17958850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3979

約数の個数: 48

約数和(自身を含む): 41122368

約数和(自身を除く): 23163518

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 3947, 4550, 7894, 19735, 27629, 39470, 51311, 55258, 98675, 102622, 138145, 197350, 256555, 276290, 359177, 513110, 690725, 718354, 1282775, 1381450, 1795885, 2565550, 3591770, 8979425, 17958850]

約数ペア:

[(1, 17958850), (2, 8979425), (5, 3591770), (7, 2565550), (10, 1795885), (13, 1381450), (14, 1282775), (25, 718354), (26, 690725), (35, 513110), (50, 359177), (65, 276290), (70, 256555), (91, 197350), (130, 138145), (175, 102622), (182, 98675), (325, 55258), (350, 51311), (455, 39470), (650, 27629), (910, 19735), (2275, 7894), (3947, 4550)]