18742845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3917}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 33851520

約数和(自身を除く): 15108675

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 3917, 4785, 11751, 19585, 43087, 58755, 113593, 129261, 215435, 340779, 567965, 646305, 1249523, 1703895, 3748569, 6247615, 18742845]

約数ペア:

[(1, 18742845), (3, 6247615), (5, 3748569), (11, 1703895), (15, 1249523), (29, 646305), (33, 567965), (55, 340779), (87, 215435), (145, 129261), (165, 113593), (319, 58755), (435, 43087), (957, 19585), (1595, 11751), (3917, 4785)]