2019751910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{258611}}^1$

素因数の和:258700

約数の個数: 32

約数和(自身を含む): 4021933824

約数和(自身を除く): 2002181914

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 258611, 517222, 1293055, 2586110, 2844721, 5689442, 14223605, 18361381, 28447210, 36722762, 91806905, 183613810, 201975191, 403950382, 1009875955, 2019751910]

約数ペア:

[(1, 2019751910), (2, 1009875955), (5, 403950382), (10, 201975191), (11, 183613810), (22, 91806905), (55, 36722762), (71, 28447210), (110, 18361381), (142, 14223605), (355, 5689442), (710, 2844721), (781, 2586110), (1562, 1293055), (3905, 517222), (7810, 258611)]