18485745

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 30533760

約数和(自身を除く): 12048015

約数列:

[1, 3, 5, 15, 61, 89, 183, 227, 267, 305, 445, 681, 915, 1135, 1335, 3405, 5429, 13847, 16287, 20203, 27145, 41541, 60609, 69235, 81435, 101015, 207705, 303045, 1232383, 3697149, 6161915, 18485745]

約数ペア:

[(1, 18485745), (3, 6161915), (5, 3697149), (15, 1232383), (61, 303045), (89, 207705), (183, 101015), (227, 81435), (267, 69235), (305, 60609), (445, 41541), (681, 27145), (915, 20203), (1135, 16287), (1335, 13847), (3405, 5429)]