19118196

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 51344384

約数和(自身を除く): 32226188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 37, 62, 74, 93, 111, 124, 148, 186, 222, 279, 333, 372, 444, 463, 558, 666, 926, 1116, 1147, 1332, 1389, 1852, 2294, 2778, 3441, 4167, 4588, 5556, 6882, 8334, 10323, 13764, 14353, 16668, 17131, 20646, 28706, 34262, 41292, 43059, 51393, 57412, 68524, 86118, 102786, 129177, 154179, 172236, 205572, 258354, 308358, 516708, 531061, 616716, 1062122, 1593183, 2124244, 3186366, 4779549, 6372732, 9559098, 19118196]

約数ペア:

[(1, 19118196), (2, 9559098), (3, 6372732), (4, 4779549), (6, 3186366), (9, 2124244), (12, 1593183), (18, 1062122), (31, 616716), (36, 531061), (37, 516708), (62, 308358), (74, 258354), (93, 205572), (111, 172236), (124, 154179), (148, 129177), (186, 102786), (222, 86118), (279, 68524), (333, 57412), (372, 51393), (444, 43059), (463, 41292), (558, 34262), (666, 28706), (926, 20646), (1116, 17131), (1147, 16668), (1332, 14353), (1389, 13764), (1852, 10323), (2294, 8334), (2778, 6882), (3441, 5556), (4167, 4588)]