19808550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 120

約数和(自身を含む): 56625096

約数和(自身を除く): 36816546

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 67, 73, 75, 81, 90, 134, 135, 146, 150, 162, 201, 219, 225, 270, 335, 365, 402, 405, 438, 450, 603, 657, 670, 675, 730, 810, 1005, 1095, 1206, 1314, 1350, 1675, 1809, 1825, 1971, 2010, 2025, 2190, 3015, 3285, 3350, 3618, 3650, 3942, 4050, 4891, 5025, 5427, 5475, 5913, 6030, 6570, 9045, 9782, 9855, 10050, 10854, 10950, 11826, 14673, 15075, 16425, 18090, 19710, 24455, 27135, 29346, 29565, 30150, 32850, 44019, 45225, 48910, 49275, 54270, 59130, 73365, 88038, 90450, 98550, 122275, 132057, 135675, 146730, 147825, 220095, 244550, 264114, 271350, 295650, 366825, 396171, 440190, 660285, 733650, 792342, 1100475, 1320570, 1980855, 2200950, 3301425, 3961710, 6602850, 9904275, 19808550]

約数ペア:

[(1, 19808550), (2, 9904275), (3, 6602850), (5, 3961710), (6, 3301425), (9, 2200950), (10, 1980855), (15, 1320570), (18, 1100475), (25, 792342), (27, 733650), (30, 660285), (45, 440190), (50, 396171), (54, 366825), (67, 295650), (73, 271350), (75, 264114), (81, 244550), (90, 220095), (134, 147825), (135, 146730), (146, 135675), (150, 132057), (162, 122275), (201, 98550), (219, 90450), (225, 88038), (270, 73365), (335, 59130), (365, 54270), (402, 49275), (405, 48910), (438, 45225), (450, 44019), (603, 32850), (657, 30150), (670, 29565), (675, 29346), (730, 27135), (810, 24455), (1005, 19710), (1095, 18090), (1206, 16425), (1314, 15075), (1350, 14673), (1675, 11826), (1809, 10950), (1825, 10854), (1971, 10050), (2010, 9855), (2025, 9782), (2190, 9045), (3015, 6570), (3285, 6030), (3350, 5913), (3618, 5475), (3650, 5427), (3942, 5025), (4050, 4891)]