18766045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 25816320

約数和(自身を除く): 7050275

約数列:

[1, 5, 17, 23, 29, 85, 115, 145, 331, 391, 493, 667, 1655, 1955, 2465, 3335, 5627, 7613, 9599, 11339, 28135, 38065, 47995, 56695, 129421, 163183, 220777, 647105, 815915, 1103885, 3753209, 18766045]

約数ペア:

[(1, 18766045), (5, 3753209), (17, 1103885), (23, 815915), (29, 647105), (85, 220777), (115, 163183), (145, 129421), (331, 56695), (391, 47995), (493, 38065), (667, 28135), (1655, 11339), (1955, 9599), (2465, 7613), (3335, 5627)]