20189901573

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2163281}}^1$

素因数の和:2163365

約数の個数: 24

約数和(自身を含む): 31384895256

約数和(自身を除く): 11194993683

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 3111, 9333, 2163281, 6489843, 19469529, 36775777, 110327331, 131960141, 330981993, 395880423, 1187641269, 2243322397, 6729967191, 20189901573]

約数ペア:

[(1, 20189901573), (3, 6729967191), (9, 2243322397), (17, 1187641269), (51, 395880423), (61, 330981993), (153, 131960141), (183, 110327331), (549, 36775777), (1037, 19469529), (3111, 6489843), (9333, 2163281)]