19958316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4483}}^1$

素因数の和:4550

約数の個数: 48

約数和(自身を含む): 54238464

約数和(自身を除く): 34280148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4483, 8966, 13449, 17932, 26898, 31381, 53796, 62762, 94143, 125524, 188286, 237599, 376572, 475198, 712797, 950396, 1425594, 1663193, 2851188, 3326386, 4989579, 6652772, 9979158, 19958316]

約数ペア:

[(1, 19958316), (2, 9979158), (3, 6652772), (4, 4989579), (6, 3326386), (7, 2851188), (12, 1663193), (14, 1425594), (21, 950396), (28, 712797), (42, 475198), (53, 376572), (84, 237599), (106, 188286), (159, 125524), (212, 94143), (318, 62762), (371, 53796), (636, 31381), (742, 26898), (1113, 17932), (1484, 13449), (2226, 8966), (4452, 4483)]