19718655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{941}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 34725888

約数和(自身を除く): 15007233

約数列:

[1, 3, 5, 11, 15, 33, 55, 127, 165, 381, 635, 941, 1397, 1905, 2823, 4191, 4705, 6985, 10351, 14115, 20955, 31053, 51755, 119507, 155265, 358521, 597535, 1314577, 1792605, 3943731, 6572885, 19718655]

約数ペア:

[(1, 19718655), (3, 6572885), (5, 3943731), (11, 1792605), (15, 1314577), (33, 597535), (55, 358521), (127, 155265), (165, 119507), (381, 51755), (635, 31053), (941, 20955), (1397, 14115), (1905, 10351), (2823, 6985), (4191, 4705)]