19723228

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{11939}}^1$

素因数の和:12009

約数の個数: 24

約数和(自身を含む): 40118400

約数和(自身を除く): 20395172

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 11939, 23878, 47756, 83573, 167146, 334292, 704401, 1408802, 2817604, 4930807, 9861614, 19723228]

約数ペア:

[(1, 19723228), (2, 9861614), (4, 4930807), (7, 2817604), (14, 1408802), (28, 704401), (59, 334292), (118, 167146), (236, 83573), (413, 47756), (826, 23878), (1652, 11939)]