18976028

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 34040160

約数和(自身を除く): 15064132

約数列:

[1, 2, 4, 71, 109, 142, 218, 284, 436, 613, 1226, 2452, 7739, 15478, 30956, 43523, 66817, 87046, 133634, 174092, 267268, 4744007, 9488014, 18976028]

約数ペア:

[(1, 18976028), (2, 9488014), (4, 4744007), (71, 267268), (109, 174092), (142, 133634), (218, 87046), (284, 66817), (436, 43523), (613, 30956), (1226, 15478), (2452, 7739)]