18974001800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{24407}}^1$

素因数の和:24472

約数の個数: 144

約数和(自身を含む): 49847970240

約数和(自身を除く): 30873968440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 40, 46, 50, 52, 65, 92, 100, 104, 115, 130, 169, 184, 200, 230, 260, 299, 325, 338, 460, 520, 575, 598, 650, 676, 845, 920, 1150, 1196, 1300, 1352, 1495, 1690, 2300, 2392, 2600, 2990, 3380, 3887, 4225, 4600, 5980, 6760, 7475, 7774, 8450, 11960, 14950, 15548, 16900, 19435, 24407, 29900, 31096, 33800, 38870, 48814, 59800, 77740, 97175, 97628, 122035, 155480, 194350, 195256, 244070, 317291, 388700, 488140, 561361, 610175, 634582, 777400, 976280, 1122722, 1220350, 1269164, 1586455, 2245444, 2440700, 2538328, 2806805, 3172910, 4124783, 4490888, 4881400, 5613610, 6345820, 7297693, 7932275, 8249566, 11227220, 12691640, 14034025, 14595386, 15864550, 16499132, 20623915, 22454440, 28068050, 29190772, 31729100, 32998264, 36488465, 41247830, 56136100, 58381544, 63458200, 72976930, 82495660, 94870009, 103119575, 112272200, 145953860, 164991320, 182442325, 189740018, 206239150, 291907720, 364884650, 379480036, 412478300, 474350045, 729769300, 758960072, 824956600, 948700090, 1459538600, 1897400180, 2371750225, 3794800360, 4743500450, 9487000900, 18974001800]

約数ペア:

[(1, 18974001800), (2, 9487000900), (4, 4743500450), (5, 3794800360), (8, 2371750225), (10, 1897400180), (13, 1459538600), (20, 948700090), (23, 824956600), (25, 758960072), (26, 729769300), (40, 474350045), (46, 412478300), (50, 379480036), (52, 364884650), (65, 291907720), (92, 206239150), (100, 189740018), (104, 182442325), (115, 164991320), (130, 145953860), (169, 112272200), (184, 103119575), (200, 94870009), (230, 82495660), (260, 72976930), (299, 63458200), (325, 58381544), (338, 56136100), (460, 41247830), (520, 36488465), (575, 32998264), (598, 31729100), (650, 29190772), (676, 28068050), (845, 22454440), (920, 20623915), (1150, 16499132), (1196, 15864550), (1300, 14595386), (1352, 14034025), (1495, 12691640), (1690, 11227220), (2300, 8249566), (2392, 7932275), (2600, 7297693), (2990, 6345820), (3380, 5613610), (3887, 4881400), (4225, 4490888), (4600, 4124783), (5980, 3172910), (6760, 2806805), (7475, 2538328), (7774, 2440700), (8450, 2245444), (11960, 1586455), (14950, 1269164), (15548, 1220350), (16900, 1122722), (19435, 976280), (24407, 777400), (29900, 634582), (31096, 610175), (33800, 561361), (38870, 488140), (48814, 388700), (59800, 317291), (77740, 244070), (97175, 195256), (97628, 194350), (122035, 155480)]