189720868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{20959}}^1$

素因数の和:21067

約数の個数: 24

約数和(自身を含む): 347432960

約数和(自身を除く): 157712092

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 4526, 9052, 20959, 41918, 83836, 649729, 1299458, 1530007, 2598916, 3060014, 6120028, 47430217, 94860434, 189720868]

約数ペア:

[(1, 189720868), (2, 94860434), (4, 47430217), (31, 6120028), (62, 3060014), (73, 2598916), (124, 1530007), (146, 1299458), (292, 649729), (2263, 83836), (4526, 41918), (9052, 20959)]