19628024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2389}}^1$

素因数の和:2487

約数の個数: 32

約数和(自身を含む): 40152000

約数和(自身を除く): 20523976

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 2389, 4108, 4778, 8216, 9556, 19112, 31057, 62114, 124228, 188731, 248456, 377462, 754924, 1509848, 2453503, 4907006, 9814012, 19628024]

約数ペア:

[(1, 19628024), (2, 9814012), (4, 4907006), (8, 2453503), (13, 1509848), (26, 754924), (52, 377462), (79, 248456), (104, 188731), (158, 124228), (316, 62114), (632, 31057), (1027, 19112), (2054, 9556), (2389, 8216), (4108, 4778)]