20219212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8273}}^1$

素因数の和:8337

約数の個数: 24

約数和(自身を含む): 38920896

約数和(自身を除く): 18701684

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8273, 16546, 33092, 107549, 215098, 388831, 430196, 777662, 1555324, 5054803, 10109606, 20219212]

約数ペア:

[(1, 20219212), (2, 10109606), (4, 5054803), (13, 1555324), (26, 777662), (47, 430196), (52, 388831), (94, 215098), (188, 107549), (611, 33092), (1222, 16546), (2444, 8273)]