19894212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42509}}^1$

素因数の和:42532

約数の個数: 36

約数和(自身を含む): 54157740

約数和(自身を除く): 34263528

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42509, 85018, 127527, 170036, 255054, 382581, 510108, 552617, 765162, 1105234, 1530324, 1657851, 2210468, 3315702, 4973553, 6631404, 9947106, 19894212]

約数ペア:

[(1, 19894212), (2, 9947106), (3, 6631404), (4, 4973553), (6, 3315702), (9, 2210468), (12, 1657851), (13, 1530324), (18, 1105234), (26, 765162), (36, 552617), (39, 510108), (52, 382581), (78, 255054), (117, 170036), (156, 127527), (234, 85018), (468, 42509)]