20171801744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1\times {\mathrm{1583}}^1$

素因数の和:2028

約数の個数: 80

約数和(自身を含む): 41577338880

約数和(自身を除く): 21405537136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 167, 251, 304, 334, 502, 668, 1004, 1336, 1583, 2008, 2672, 3166, 3173, 4016, 4769, 6332, 6346, 9538, 12664, 12692, 19076, 25328, 25384, 30077, 38152, 41917, 50768, 60154, 76304, 83834, 120308, 167668, 240616, 264361, 335336, 397333, 481232, 528722, 670672, 794666, 796423, 1057444, 1589332, 1592846, 2114888, 3178664, 3185692, 4229776, 5022859, 6357328, 6371384, 7549327, 10045718, 12742768, 15098654, 20091436, 30197308, 40182872, 60394616, 66354611, 80365744, 120789232, 132709222, 265418444, 530836888, 1061673776, 1260737609, 2521475218, 5042950436, 10085900872, 20171801744]

約数ペア:

[(1, 20171801744), (2, 10085900872), (4, 5042950436), (8, 2521475218), (16, 1260737609), (19, 1061673776), (38, 530836888), (76, 265418444), (152, 132709222), (167, 120789232), (251, 80365744), (304, 66354611), (334, 60394616), (502, 40182872), (668, 30197308), (1004, 20091436), (1336, 15098654), (1583, 12742768), (2008, 10045718), (2672, 7549327), (3166, 6371384), (3173, 6357328), (4016, 5022859), (4769, 4229776), (6332, 3185692), (6346, 3178664), (9538, 2114888), (12664, 1592846), (12692, 1589332), (19076, 1057444), (25328, 796423), (25384, 794666), (30077, 670672), (38152, 528722), (41917, 481232), (50768, 397333), (60154, 335336), (76304, 264361), (83834, 240616), (120308, 167668)]