18821996

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1889}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 34292160

約数和(自身を除く): 15470164

約数列:

[1, 2, 4, 47, 53, 94, 106, 188, 212, 1889, 2491, 3778, 4982, 7556, 9964, 88783, 100117, 177566, 200234, 355132, 400468, 4705499, 9410998, 18821996]

約数ペア:

[(1, 18821996), (2, 9410998), (4, 4705499), (47, 400468), (53, 355132), (94, 200234), (106, 177566), (188, 100117), (212, 88783), (1889, 9964), (2491, 7556), (3778, 4982)]