19581429

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4297}}^1$

素因数の和:4345

約数の個数: 24

約数和(自身を含む): 31358208

約数和(自身を除く): 11776779

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4297, 4557, 12891, 30079, 90237, 133207, 210553, 399621, 631659, 932449, 2797347, 6527143, 19581429]

約数ペア:

[(1, 19581429), (3, 6527143), (7, 2797347), (21, 932449), (31, 631659), (49, 399621), (93, 210553), (147, 133207), (217, 90237), (651, 30079), (1519, 12891), (4297, 4557)]