19816656

素因数分解:

$2^4\times 3^1\times {\mathrm{313}}^1\times {\mathrm{1319}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 51395520

約数和(自身を除く): 31578864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 313, 626, 939, 1252, 1319, 1878, 2504, 2638, 3756, 3957, 5008, 5276, 7512, 7914, 10552, 15024, 15828, 21104, 31656, 63312, 412847, 825694, 1238541, 1651388, 2477082, 3302776, 4954164, 6605552, 9908328, 19816656]

約数ペア:

[(1, 19816656), (2, 9908328), (3, 6605552), (4, 4954164), (6, 3302776), (8, 2477082), (12, 1651388), (16, 1238541), (24, 825694), (48, 412847), (313, 63312), (626, 31656), (939, 21104), (1252, 15828), (1319, 15024), (1878, 10552), (2504, 7914), (2638, 7512), (3756, 5276), (3957, 5008)]