12646780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 29191680

約数和(自身を除く): 16544900

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1447, 1748, 2185, 2894, 4370, 5788, 7235, 8740, 14470, 27493, 28940, 33281, 54986, 66562, 109972, 133124, 137465, 166405, 274930, 332810, 549860, 632339, 665620, 1264678, 2529356, 3161695, 6323390, 12646780]

約数ペア:

[(1, 12646780), (2, 6323390), (4, 3161695), (5, 2529356), (10, 1264678), (19, 665620), (20, 632339), (23, 549860), (38, 332810), (46, 274930), (76, 166405), (92, 137465), (95, 133124), (115, 109972), (190, 66562), (230, 54986), (380, 33281), (437, 28940), (460, 27493), (874, 14470), (1447, 8740), (1748, 7235), (2185, 5788), (2894, 4370)]