18934370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20807}}^1$

素因数の和:20834

約数の個数: 32

約数和(自身を含む): 41948928

約数和(自身を除く): 23014558

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20807, 41614, 104035, 145649, 208070, 270491, 291298, 540982, 728245, 1352455, 1456490, 1893437, 2704910, 3786874, 9467185, 18934370]

約数ペア:

[(1, 18934370), (2, 9467185), (5, 3786874), (7, 2704910), (10, 1893437), (13, 1456490), (14, 1352455), (26, 728245), (35, 540982), (65, 291298), (70, 270491), (91, 208070), (130, 145649), (182, 104035), (455, 41614), (910, 20807)]