19899288

素因数分解:

$2^3\times 3^2\times {\mathrm{313}}^1\times {\mathrm{883}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 54127320

約数和(自身を除く): 34228032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 313, 626, 883, 939, 1252, 1766, 1878, 2504, 2649, 2817, 3532, 3756, 5298, 5634, 7064, 7512, 7947, 10596, 11268, 15894, 21192, 22536, 31788, 63576, 276379, 552758, 829137, 1105516, 1658274, 2211032, 2487411, 3316548, 4974822, 6633096, 9949644, 19899288]

約数ペア:

[(1, 19899288), (2, 9949644), (3, 6633096), (4, 4974822), (6, 3316548), (8, 2487411), (9, 2211032), (12, 1658274), (18, 1105516), (24, 829137), (36, 552758), (72, 276379), (313, 63576), (626, 31788), (883, 22536), (939, 21192), (1252, 15894), (1766, 11268), (1878, 10596), (2504, 7947), (2649, 7512), (2817, 7064), (3532, 5634), (3756, 5298)]