18185937

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 32328576

約数和(自身を除く): 14142639

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 121, 187, 231, 357, 363, 421, 561, 847, 1263, 1309, 2057, 2541, 2947, 3927, 4631, 6171, 7157, 8841, 13893, 14399, 21471, 32417, 43197, 50099, 50941, 78727, 97251, 150297, 152823, 236181, 356587, 551089, 865997, 1069761, 1653267, 2597991, 6061979, 18185937]

約数ペア:

[(1, 18185937), (3, 6061979), (7, 2597991), (11, 1653267), (17, 1069761), (21, 865997), (33, 551089), (51, 356587), (77, 236181), (119, 152823), (121, 150297), (187, 97251), (231, 78727), (357, 50941), (363, 50099), (421, 43197), (561, 32417), (847, 21471), (1263, 14399), (1309, 13893), (2057, 8841), (2541, 7157), (2947, 6171), (3927, 4631)]