19860684

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 28862004

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 227, 276, 317, 454, 634, 681, 908, 951, 1268, 1362, 1902, 2724, 3804, 5221, 7291, 10442, 14582, 15663, 20884, 21873, 29164, 31326, 43746, 62652, 71959, 87492, 143918, 215877, 287836, 431754, 863508, 1655057, 3310114, 4965171, 6620228, 9930342, 19860684]

約数ペア:

[(1, 19860684), (2, 9930342), (3, 6620228), (4, 4965171), (6, 3310114), (12, 1655057), (23, 863508), (46, 431754), (69, 287836), (92, 215877), (138, 143918), (227, 87492), (276, 71959), (317, 62652), (454, 43746), (634, 31326), (681, 29164), (908, 21873), (951, 20884), (1268, 15663), (1362, 14582), (1902, 10442), (2724, 7291), (3804, 5221)]