18203760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 120

約数和(自身を含む): 61920144

約数和(自身を除く): 43716384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 193, 240, 262, 360, 386, 393, 524, 579, 655, 720, 772, 786, 965, 1048, 1158, 1179, 1310, 1544, 1572, 1737, 1930, 1965, 2096, 2316, 2358, 2620, 2895, 3088, 3144, 3474, 3860, 3930, 4632, 4716, 5240, 5790, 5895, 6288, 6948, 7720, 7860, 8685, 9264, 9432, 10480, 11580, 11790, 13896, 15440, 15720, 17370, 18864, 23160, 23580, 25283, 27792, 31440, 34740, 46320, 47160, 50566, 69480, 75849, 94320, 101132, 126415, 138960, 151698, 202264, 227547, 252830, 303396, 379245, 404528, 455094, 505660, 606792, 758490, 910188, 1011320, 1137735, 1213584, 1516980, 1820376, 2022640, 2275470, 3033960, 3640752, 4550940, 6067920, 9101880, 18203760]

約数ペア:

[(1, 18203760), (2, 9101880), (3, 6067920), (4, 4550940), (5, 3640752), (6, 3033960), (8, 2275470), (9, 2022640), (10, 1820376), (12, 1516980), (15, 1213584), (16, 1137735), (18, 1011320), (20, 910188), (24, 758490), (30, 606792), (36, 505660), (40, 455094), (45, 404528), (48, 379245), (60, 303396), (72, 252830), (80, 227547), (90, 202264), (120, 151698), (131, 138960), (144, 126415), (180, 101132), (193, 94320), (240, 75849), (262, 69480), (360, 50566), (386, 47160), (393, 46320), (524, 34740), (579, 31440), (655, 27792), (720, 25283), (772, 23580), (786, 23160), (965, 18864), (1048, 17370), (1158, 15720), (1179, 15440), (1310, 13896), (1544, 11790), (1572, 11580), (1737, 10480), (1930, 9432), (1965, 9264), (2096, 8685), (2316, 7860), (2358, 7720), (2620, 6948), (2895, 6288), (3088, 5895), (3144, 5790), (3474, 5240), (3860, 4716), (3930, 4632)]