18022860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 37013940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 449, 669, 892, 898, 1115, 1338, 1347, 1796, 2007, 2230, 2245, 2676, 2694, 3345, 4014, 4041, 4460, 4490, 5388, 6690, 6735, 8028, 8082, 8980, 10035, 13380, 13470, 16164, 20070, 20205, 26940, 40140, 40410, 80820, 100127, 200254, 300381, 400508, 500635, 600762, 901143, 1001270, 1201524, 1501905, 1802286, 2002540, 3003810, 3604572, 4505715, 6007620, 9011430, 18022860]

約数ペア:

[(1, 18022860), (2, 9011430), (3, 6007620), (4, 4505715), (5, 3604572), (6, 3003810), (9, 2002540), (10, 1802286), (12, 1501905), (15, 1201524), (18, 1001270), (20, 901143), (30, 600762), (36, 500635), (45, 400508), (60, 300381), (90, 200254), (180, 100127), (223, 80820), (446, 40410), (449, 40140), (669, 26940), (892, 20205), (898, 20070), (1115, 16164), (1338, 13470), (1347, 13380), (1796, 10035), (2007, 8980), (2230, 8082), (2245, 8028), (2676, 6735), (2694, 6690), (3345, 5388), (4014, 4490), (4041, 4460)]