18950364

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 50542128

約数和(自身を除く): 31591764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 41, 74, 82, 111, 123, 148, 164, 222, 246, 333, 347, 369, 444, 492, 666, 694, 738, 1041, 1332, 1388, 1476, 1517, 2082, 3034, 3123, 4164, 4551, 6068, 6246, 9102, 12492, 12839, 13653, 14227, 18204, 25678, 27306, 28454, 38517, 42681, 51356, 54612, 56908, 77034, 85362, 115551, 128043, 154068, 170724, 231102, 256086, 462204, 512172, 526399, 1052798, 1579197, 2105596, 3158394, 4737591, 6316788, 9475182, 18950364]

約数ペア:

[(1, 18950364), (2, 9475182), (3, 6316788), (4, 4737591), (6, 3158394), (9, 2105596), (12, 1579197), (18, 1052798), (36, 526399), (37, 512172), (41, 462204), (74, 256086), (82, 231102), (111, 170724), (123, 154068), (148, 128043), (164, 115551), (222, 85362), (246, 77034), (333, 56908), (347, 54612), (369, 51356), (444, 42681), (492, 38517), (666, 28454), (694, 27306), (738, 25678), (1041, 18204), (1332, 14227), (1388, 13653), (1476, 12839), (1517, 12492), (2082, 9102), (3034, 6246), (3123, 6068), (4164, 4551)]