19816650

素因数分解:

$2^1\times 3^5\times 5^2\times 7^1\times {\mathrm{233}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 63370944

約数和(自身を除く): 43554294

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 233, 243, 270, 315, 350, 378, 405, 450, 466, 486, 525, 567, 630, 675, 699, 810, 945, 1050, 1134, 1165, 1215, 1350, 1398, 1575, 1631, 1701, 1890, 2025, 2097, 2330, 2430, 2835, 3150, 3262, 3402, 3495, 4050, 4194, 4725, 4893, 5670, 5825, 6075, 6291, 6990, 8155, 8505, 9450, 9786, 10485, 11650, 12150, 12582, 14175, 14679, 16310, 17010, 17475, 18873, 20970, 24465, 28350, 29358, 31455, 34950, 37746, 40775, 42525, 44037, 48930, 52425, 56619, 62910, 73395, 81550, 85050, 88074, 94365, 104850, 113238, 122325, 132111, 146790, 157275, 188730, 220185, 244650, 264222, 283095, 314550, 366975, 396333, 440370, 471825, 566190, 660555, 733950, 792666, 943650, 1100925, 1321110, 1415475, 1981665, 2201850, 2830950, 3302775, 3963330, 6605550, 9908325, 19816650]

約数ペア:

[(1, 19816650), (2, 9908325), (3, 6605550), (5, 3963330), (6, 3302775), (7, 2830950), (9, 2201850), (10, 1981665), (14, 1415475), (15, 1321110), (18, 1100925), (21, 943650), (25, 792666), (27, 733950), (30, 660555), (35, 566190), (42, 471825), (45, 440370), (50, 396333), (54, 366975), (63, 314550), (70, 283095), (75, 264222), (81, 244650), (90, 220185), (105, 188730), (126, 157275), (135, 146790), (150, 132111), (162, 122325), (175, 113238), (189, 104850), (210, 94365), (225, 88074), (233, 85050), (243, 81550), (270, 73395), (315, 62910), (350, 56619), (378, 52425), (405, 48930), (450, 44037), (466, 42525), (486, 40775), (525, 37746), (567, 34950), (630, 31455), (675, 29358), (699, 28350), (810, 24465), (945, 20970), (1050, 18873), (1134, 17475), (1165, 17010), (1215, 16310), (1350, 14679), (1398, 14175), (1575, 12582), (1631, 12150), (1701, 11650), (1890, 10485), (2025, 9786), (2097, 9450), (2330, 8505), (2430, 8155), (2835, 6990), (3150, 6291), (3262, 6075), (3402, 5825), (3495, 5670), (4050, 4893), (4194, 4725)]