19748760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{827}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 59616000

約数和(自身を除く): 39867240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 827, 995, 1194, 1592, 1654, 1990, 2388, 2481, 2985, 3308, 3980, 4135, 4776, 4962, 5970, 6616, 7960, 8270, 9924, 11940, 12405, 16540, 19848, 23880, 24810, 33080, 49620, 99240, 164573, 329146, 493719, 658292, 822865, 987438, 1316584, 1645730, 1974876, 2468595, 3291460, 3949752, 4937190, 6582920, 9874380, 19748760]

約数ペア:

[(1, 19748760), (2, 9874380), (3, 6582920), (4, 4937190), (5, 3949752), (6, 3291460), (8, 2468595), (10, 1974876), (12, 1645730), (15, 1316584), (20, 987438), (24, 822865), (30, 658292), (40, 493719), (60, 329146), (120, 164573), (199, 99240), (398, 49620), (597, 33080), (796, 24810), (827, 23880), (995, 19848), (1194, 16540), (1592, 12405), (1654, 11940), (1990, 9924), (2388, 8270), (2481, 7960), (2985, 6616), (3308, 5970), (3980, 4962), (4135, 4776)]