18813340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10337}}^1$

素因数の和:10366

約数の個数: 48

約数和(自身を含む): 48629952

約数和(自身を除く): 29816612

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10337, 20674, 41348, 51685, 72359, 103370, 134381, 144718, 206740, 268762, 289436, 361795, 537524, 671905, 723590, 940667, 1343810, 1447180, 1881334, 2687620, 3762668, 4703335, 9406670, 18813340]

約数ペア:

[(1, 18813340), (2, 9406670), (4, 4703335), (5, 3762668), (7, 2687620), (10, 1881334), (13, 1447180), (14, 1343810), (20, 940667), (26, 723590), (28, 671905), (35, 537524), (52, 361795), (65, 289436), (70, 268762), (91, 206740), (130, 144718), (140, 134381), (182, 103370), (260, 72359), (364, 51685), (455, 41348), (910, 20674), (1820, 10337)]