19266260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74101}}^1$

素因数の和:74123

約数の個数: 24

約数和(自身を含む): 43571976

約数和(自身を除く): 24305716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74101, 148202, 296404, 370505, 741010, 963313, 1482020, 1926626, 3853252, 4816565, 9633130, 19266260]

約数ペア:

[(1, 19266260), (2, 9633130), (4, 4816565), (5, 3853252), (10, 1926626), (13, 1482020), (20, 963313), (26, 741010), (52, 370505), (65, 296404), (130, 148202), (260, 74101)]