18190020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1931}}^1$

素因数の和:2100

約数の個数: 48

約数和(自身を含む): 51283008

約数和(自身を除く): 33092988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 1931, 2355, 3140, 3862, 4710, 5793, 7724, 9420, 9655, 11586, 19310, 23172, 28965, 38620, 57930, 115860, 303167, 606334, 909501, 1212668, 1515835, 1819002, 3031670, 3638004, 4547505, 6063340, 9095010, 18190020]

約数ペア:

[(1, 18190020), (2, 9095010), (3, 6063340), (4, 4547505), (5, 3638004), (6, 3031670), (10, 1819002), (12, 1515835), (15, 1212668), (20, 909501), (30, 606334), (60, 303167), (157, 115860), (314, 57930), (471, 38620), (628, 28965), (785, 23172), (942, 19310), (1570, 11586), (1884, 9655), (1931, 9420), (2355, 7724), (3140, 5793), (3862, 4710)]