19921490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48589}}^1$

素因数の和:48637

約数の個数: 16

約数和(自身を含む): 36734040

約数和(自身を除く): 16812550

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48589, 97178, 242945, 485890, 1992149, 3984298, 9960745, 19921490]

約数ペア:

[(1, 19921490), (2, 9960745), (5, 3984298), (10, 1992149), (41, 485890), (82, 242945), (205, 97178), (410, 48589)]