17193820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 41545728

約数和(自身を除く): 24351908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 643, 764, 955, 1286, 1337, 1910, 2572, 2674, 3215, 3820, 4501, 5348, 6430, 6685, 9002, 12860, 13370, 18004, 22505, 26740, 45010, 90020, 122813, 245626, 491252, 614065, 859691, 1228130, 1719382, 2456260, 3438764, 4298455, 8596910, 17193820]

約数ペア:

[(1, 17193820), (2, 8596910), (4, 4298455), (5, 3438764), (7, 2456260), (10, 1719382), (14, 1228130), (20, 859691), (28, 614065), (35, 491252), (70, 245626), (140, 122813), (191, 90020), (382, 45010), (643, 26740), (764, 22505), (955, 18004), (1286, 13370), (1337, 12860), (1910, 9002), (2572, 6685), (2674, 6430), (3215, 5348), (3820, 4501)]