19765016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7649}}^1$

素因数の和:7691

約数の個数: 32

約数和(自身を含む): 41310000

約数和(自身を除く): 21544984

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7649, 15298, 30596, 61192, 130033, 145331, 260066, 290662, 520132, 581324, 1040264, 1162648, 2470627, 4941254, 9882508, 19765016]

約数ペア:

[(1, 19765016), (2, 9882508), (4, 4941254), (8, 2470627), (17, 1162648), (19, 1040264), (34, 581324), (38, 520132), (68, 290662), (76, 260066), (136, 145331), (152, 130033), (323, 61192), (646, 30596), (1292, 15298), (2584, 7649)]