18859204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 22122044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 197, 263, 364, 394, 526, 788, 1052, 1379, 1841, 2561, 2758, 3419, 3682, 5122, 5516, 6838, 7364, 10244, 13676, 17927, 23933, 35854, 47866, 51811, 71708, 95732, 103622, 207244, 362677, 673543, 725354, 1347086, 1450708, 2694172, 4714801, 9429602, 18859204]

約数ペア:

[(1, 18859204), (2, 9429602), (4, 4714801), (7, 2694172), (13, 1450708), (14, 1347086), (26, 725354), (28, 673543), (52, 362677), (91, 207244), (182, 103622), (197, 95732), (263, 71708), (364, 51811), (394, 47866), (526, 35854), (788, 23933), (1052, 17927), (1379, 13676), (1841, 10244), (2561, 7364), (2758, 6838), (3419, 5516), (3682, 5122)]