19603020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2081}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 55264608

約数和(自身を除く): 35661588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2081, 2355, 3140, 4162, 4710, 6243, 8324, 9420, 10405, 12486, 20810, 24972, 31215, 41620, 62430, 124860, 326717, 653434, 980151, 1306868, 1633585, 1960302, 3267170, 3920604, 4900755, 6534340, 9801510, 19603020]

約数ペア:

[(1, 19603020), (2, 9801510), (3, 6534340), (4, 4900755), (5, 3920604), (6, 3267170), (10, 1960302), (12, 1633585), (15, 1306868), (20, 980151), (30, 653434), (60, 326717), (157, 124860), (314, 62430), (471, 41620), (628, 31215), (785, 24972), (942, 20810), (1570, 12486), (1884, 10405), (2081, 9420), (2355, 8324), (3140, 6243), (4162, 4710)]