18902808

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 54711360

約数和(自身を除く): 35808552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 162, 186, 216, 248, 279, 324, 372, 558, 648, 744, 837, 941, 1116, 1674, 1882, 2232, 2511, 2823, 3348, 3764, 5022, 5646, 6696, 7528, 8469, 10044, 11292, 16938, 20088, 22584, 25407, 29171, 33876, 50814, 58342, 67752, 76221, 87513, 101628, 116684, 152442, 175026, 203256, 233368, 262539, 304884, 350052, 525078, 609768, 700104, 787617, 1050156, 1575234, 2100312, 2362851, 3150468, 4725702, 6300936, 9451404, 18902808]

約数ペア:

[(1, 18902808), (2, 9451404), (3, 6300936), (4, 4725702), (6, 3150468), (8, 2362851), (9, 2100312), (12, 1575234), (18, 1050156), (24, 787617), (27, 700104), (31, 609768), (36, 525078), (54, 350052), (62, 304884), (72, 262539), (81, 233368), (93, 203256), (108, 175026), (124, 152442), (162, 116684), (186, 101628), (216, 87513), (248, 76221), (279, 67752), (324, 58342), (372, 50814), (558, 33876), (648, 29171), (744, 25407), (837, 22584), (941, 20088), (1116, 16938), (1674, 11292), (1882, 10044), (2232, 8469), (2511, 7528), (2823, 6696), (3348, 5646), (3764, 5022)]