19890672

素因数分解:

$2^4\times 3^1\times {\mathrm{414389}}^1$

素因数の和:414400

約数の個数: 20

約数和(自身を含む): 51384360

約数和(自身を除く): 31493688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 414389, 828778, 1243167, 1657556, 2486334, 3315112, 4972668, 6630224, 9945336, 19890672]

約数ペア:

[(1, 19890672), (2, 9945336), (3, 6630224), (4, 4972668), (6, 3315112), (8, 2486334), (12, 1657556), (16, 1243167), (24, 828778), (48, 414389)]