18069940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 43610112

約数和(自身を除く): 25540172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 337, 383, 674, 766, 1348, 1532, 1685, 1915, 2359, 2681, 3370, 3830, 4718, 5362, 6740, 7660, 9436, 10724, 11795, 13405, 23590, 26810, 47180, 53620, 129071, 258142, 516284, 645355, 903497, 1290710, 1806994, 2581420, 3613988, 4517485, 9034970, 18069940]

約数ペア:

[(1, 18069940), (2, 9034970), (4, 4517485), (5, 3613988), (7, 2581420), (10, 1806994), (14, 1290710), (20, 903497), (28, 645355), (35, 516284), (70, 258142), (140, 129071), (337, 53620), (383, 47180), (674, 26810), (766, 23590), (1348, 13405), (1532, 11795), (1685, 10724), (1915, 9436), (2359, 7660), (2681, 6740), (3370, 5362), (3830, 4718)]