19221016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1789}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 38664000

約数和(自身を除く): 19442984

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 1789, 2686, 3578, 5372, 7156, 10744, 14312, 30413, 60826, 121652, 141331, 243304, 282662, 565324, 1130648, 2402627, 4805254, 9610508, 19221016]

約数ペア:

[(1, 19221016), (2, 9610508), (4, 4805254), (8, 2402627), (17, 1130648), (34, 565324), (68, 282662), (79, 243304), (136, 141331), (158, 121652), (316, 60826), (632, 30413), (1343, 14312), (1789, 10744), (2686, 7156), (3578, 5372)]