17963940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1907}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 50645952

約数和(自身を除く): 32682012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 1907, 2355, 3140, 3814, 4710, 5721, 7628, 9420, 9535, 11442, 19070, 22884, 28605, 38140, 57210, 114420, 299399, 598798, 898197, 1197596, 1496995, 1796394, 2993990, 3592788, 4490985, 5987980, 8981970, 17963940]

約数ペア:

[(1, 17963940), (2, 8981970), (3, 5987980), (4, 4490985), (5, 3592788), (6, 2993990), (10, 1796394), (12, 1496995), (15, 1197596), (20, 898197), (30, 598798), (60, 299399), (157, 114420), (314, 57210), (471, 38140), (628, 28605), (785, 22884), (942, 19070), (1570, 11442), (1884, 9535), (1907, 9420), (2355, 7628), (3140, 5721), (3814, 4710)]