19972218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475529}}^1$

素因数の和:475541

約数の個数: 16

約数和(自身を含む): 45650880

約数和(自身を除く): 25678662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475529, 951058, 1426587, 2853174, 3328703, 6657406, 9986109, 19972218]

約数ペア:

[(1, 19972218), (2, 9986109), (3, 6657406), (6, 3328703), (7, 2853174), (14, 1426587), (21, 951058), (42, 475529)]