18580872

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 49714560

約数和(自身を除く): 31133688

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 41, 46, 69, 82, 92, 123, 138, 164, 184, 246, 276, 328, 492, 552, 821, 943, 984, 1642, 1886, 2463, 2829, 3284, 3772, 4926, 5658, 6568, 7544, 9852, 11316, 18883, 19704, 22632, 33661, 37766, 56649, 67322, 75532, 100983, 113298, 134644, 151064, 201966, 226596, 269288, 403932, 453192, 774203, 807864, 1548406, 2322609, 3096812, 4645218, 6193624, 9290436, 18580872]

約数ペア:

[(1, 18580872), (2, 9290436), (3, 6193624), (4, 4645218), (6, 3096812), (8, 2322609), (12, 1548406), (23, 807864), (24, 774203), (41, 453192), (46, 403932), (69, 269288), (82, 226596), (92, 201966), (123, 151064), (138, 134644), (164, 113298), (184, 100983), (246, 75532), (276, 67322), (328, 56649), (492, 37766), (552, 33661), (821, 22632), (943, 19704), (984, 18883), (1642, 11316), (1886, 9852), (2463, 7544), (2829, 6568), (3284, 5658), (3772, 4926)]