18238590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1061}}^1$

素因数の和:1265

約数の個数: 48

約数和(自身を含む): 47713536

約数和(自身を除く): 29474946

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 191, 382, 573, 955, 1061, 1146, 1719, 1910, 2122, 2865, 3183, 3438, 5305, 5730, 6366, 8595, 9549, 10610, 15915, 17190, 19098, 31830, 47745, 95490, 202651, 405302, 607953, 1013255, 1215906, 1823859, 2026510, 3039765, 3647718, 6079530, 9119295, 18238590]

約数ペア:

[(1, 18238590), (2, 9119295), (3, 6079530), (5, 3647718), (6, 3039765), (9, 2026510), (10, 1823859), (15, 1215906), (18, 1013255), (30, 607953), (45, 405302), (90, 202651), (191, 95490), (382, 47745), (573, 31830), (955, 19098), (1061, 17190), (1146, 15915), (1719, 10610), (1910, 9549), (2122, 8595), (2865, 6366), (3183, 5730), (3438, 5305)]