18793560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 56736000

約数和(自身を除く): 37942440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 787, 796, 995, 1194, 1574, 1592, 1990, 2361, 2388, 2985, 3148, 3935, 3980, 4722, 4776, 5970, 6296, 7870, 7960, 9444, 11805, 11940, 15740, 18888, 23610, 23880, 31480, 47220, 94440, 156613, 313226, 469839, 626452, 783065, 939678, 1252904, 1566130, 1879356, 2349195, 3132260, 3758712, 4698390, 6264520, 9396780, 18793560]

約数ペア:

[(1, 18793560), (2, 9396780), (3, 6264520), (4, 4698390), (5, 3758712), (6, 3132260), (8, 2349195), (10, 1879356), (12, 1566130), (15, 1252904), (20, 939678), (24, 783065), (30, 626452), (40, 469839), (60, 313226), (120, 156613), (199, 94440), (398, 47220), (597, 31480), (787, 23880), (796, 23610), (995, 18888), (1194, 15740), (1574, 11940), (1592, 11805), (1990, 9444), (2361, 7960), (2388, 7870), (2985, 6296), (3148, 5970), (3935, 4776), (3980, 4722)]