18890025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3271}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 38949888

約数和(自身を除く): 20059863

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 3271, 5775, 9813, 16355, 22897, 35981, 49065, 68691, 81775, 107943, 114485, 179905, 245325, 251867, 343455, 539715, 572425, 755601, 899525, 1259335, 1717275, 2698575, 3778005, 6296675, 18890025]

約数ペア:

[(1, 18890025), (3, 6296675), (5, 3778005), (7, 2698575), (11, 1717275), (15, 1259335), (21, 899525), (25, 755601), (33, 572425), (35, 539715), (55, 343455), (75, 251867), (77, 245325), (105, 179905), (165, 114485), (175, 107943), (231, 81775), (275, 68691), (385, 49065), (525, 35981), (825, 22897), (1155, 16355), (1925, 9813), (3271, 5775)]