19857660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17419}}^1$

素因数の和:17450

約数の個数: 48

約数和(自身を含む): 58531200

約数和(自身を除く): 38673540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17419, 34838, 52257, 69676, 87095, 104514, 174190, 209028, 261285, 330961, 348380, 522570, 661922, 992883, 1045140, 1323844, 1654805, 1985766, 3309610, 3971532, 4964415, 6619220, 9928830, 19857660]

約数ペア:

[(1, 19857660), (2, 9928830), (3, 6619220), (4, 4964415), (5, 3971532), (6, 3309610), (10, 1985766), (12, 1654805), (15, 1323844), (19, 1045140), (20, 992883), (30, 661922), (38, 522570), (57, 348380), (60, 330961), (76, 261285), (95, 209028), (114, 174190), (190, 104514), (228, 87095), (285, 69676), (380, 52257), (570, 34838), (1140, 17419)]