19290681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1163}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 29658720

約数和(自身を除く): 10368039

約数列:

[1, 3, 9, 19, 57, 97, 171, 291, 873, 1163, 1843, 3489, 5529, 10467, 16587, 22097, 66291, 112811, 198873, 338433, 1015299, 2143409, 6430227, 19290681]

約数ペア:

[(1, 19290681), (3, 6430227), (9, 2143409), (19, 1015299), (57, 338433), (97, 198873), (171, 112811), (291, 66291), (873, 22097), (1163, 16587), (1843, 10467), (3489, 5529)]