18606140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{383}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 44900352

約数和(自身を除く): 26294212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 383, 694, 766, 1388, 1532, 1735, 1915, 2429, 2681, 3470, 3830, 4858, 5362, 6940, 7660, 9716, 10724, 12145, 13405, 24290, 26810, 48580, 53620, 132901, 265802, 531604, 664505, 930307, 1329010, 1860614, 2658020, 3721228, 4651535, 9303070, 18606140]

約数ペア:

[(1, 18606140), (2, 9303070), (4, 4651535), (5, 3721228), (7, 2658020), (10, 1860614), (14, 1329010), (20, 930307), (28, 664505), (35, 531604), (70, 265802), (140, 132901), (347, 53620), (383, 48580), (694, 26810), (766, 24290), (1388, 13405), (1532, 12145), (1735, 10724), (1915, 9716), (2429, 7660), (2681, 6940), (3470, 5362), (3830, 4858)]