19569897

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 30351360

約数和(自身を除く): 10781463

約数列:

[1, 3, 9, 27, 31, 93, 103, 227, 279, 309, 681, 837, 927, 2043, 2781, 3193, 6129, 7037, 9579, 21111, 23381, 28737, 63333, 70143, 86211, 189999, 210429, 631287, 724811, 2174433, 6523299, 19569897]

約数ペア:

[(1, 19569897), (3, 6523299), (9, 2174433), (27, 724811), (31, 631287), (93, 210429), (103, 189999), (227, 86211), (279, 70143), (309, 63333), (681, 28737), (837, 23381), (927, 21111), (2043, 9579), (2781, 7037), (3193, 6129)]