18105488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 36592896

約数和(自身を除く): 18487408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 173, 211, 248, 346, 422, 496, 692, 844, 1384, 1688, 2768, 3376, 5363, 6541, 10726, 13082, 21452, 26164, 36503, 42904, 52328, 73006, 85808, 104656, 146012, 292024, 584048, 1131593, 2263186, 4526372, 9052744, 18105488]

約数ペア:

[(1, 18105488), (2, 9052744), (4, 4526372), (8, 2263186), (16, 1131593), (31, 584048), (62, 292024), (124, 146012), (173, 104656), (211, 85808), (248, 73006), (346, 52328), (422, 42904), (496, 36503), (692, 26164), (844, 21452), (1384, 13082), (1688, 10726), (2768, 6541), (3376, 5363)]