18958335

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 14530305

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 979, 1291, 1335, 2937, 3873, 4895, 6455, 14201, 14685, 19365, 42603, 71005, 114899, 213015, 344697, 574495, 1263889, 1723485, 3791667, 6319445, 18958335]

約数ペア:

[(1, 18958335), (3, 6319445), (5, 3791667), (11, 1723485), (15, 1263889), (33, 574495), (55, 344697), (89, 213015), (165, 114899), (267, 71005), (445, 42603), (979, 19365), (1291, 14685), (1335, 14201), (2937, 6455), (3873, 4895)]