2019989258

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{81563}}^1$

素因数の和:81662

約数の個数: 32

約数和(自身を含む): 3641016960

約数和(自身を除く): 1621027702

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 854, 1769, 3538, 12383, 24766, 81563, 163126, 570941, 1141882, 2365327, 4730654, 4975343, 9950686, 16557289, 33114578, 34827401, 69654802, 144284947, 288569894, 1009994629, 2019989258]

約数ペア:

[(1, 2019989258), (2, 1009994629), (7, 288569894), (14, 144284947), (29, 69654802), (58, 34827401), (61, 33114578), (122, 16557289), (203, 9950686), (406, 4975343), (427, 4730654), (854, 2365327), (1769, 1141882), (3538, 570941), (12383, 163126), (24766, 81563)]