18769986

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 43467840

約数和(自身を除く): 24697854

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 773, 1278, 1349, 1546, 2319, 2698, 4047, 4638, 6957, 8094, 12141, 13914, 14687, 24282, 29374, 44061, 54883, 88122, 109766, 132183, 164649, 264366, 329298, 493947, 987894, 1042777, 2085554, 3128331, 6256662, 9384993, 18769986]

約数ペア:

[(1, 18769986), (2, 9384993), (3, 6256662), (6, 3128331), (9, 2085554), (18, 1042777), (19, 987894), (38, 493947), (57, 329298), (71, 264366), (114, 164649), (142, 132183), (171, 109766), (213, 88122), (342, 54883), (426, 44061), (639, 29374), (773, 24282), (1278, 14687), (1349, 13914), (1546, 12141), (2319, 8094), (2698, 6957), (4047, 4638)]