18743700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1513

約数の個数: 72

約数和(自身を含む): 55531168

約数和(自身を除く): 36787468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 1453, 2150, 2580, 2906, 3225, 4300, 4359, 5812, 6450, 7265, 8718, 12900, 14530, 17436, 21795, 29060, 36325, 43590, 62479, 72650, 87180, 108975, 124958, 145300, 187437, 217950, 249916, 312395, 374874, 435900, 624790, 749748, 937185, 1249580, 1561975, 1874370, 3123950, 3748740, 4685925, 6247900, 9371850, 18743700]

約数ペア:

[(1, 18743700), (2, 9371850), (3, 6247900), (4, 4685925), (5, 3748740), (6, 3123950), (10, 1874370), (12, 1561975), (15, 1249580), (20, 937185), (25, 749748), (30, 624790), (43, 435900), (50, 374874), (60, 312395), (75, 249916), (86, 217950), (100, 187437), (129, 145300), (150, 124958), (172, 108975), (215, 87180), (258, 72650), (300, 62479), (430, 43590), (516, 36325), (645, 29060), (860, 21795), (1075, 17436), (1290, 14530), (1453, 12900), (2150, 8718), (2580, 7265), (2906, 6450), (3225, 5812), (4300, 4359)]