18349156940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{4357}}^1$

素因数の和:4551

約数の個数: 96

約数和(自身を含む): 40590063360

約数和(自身を除く): 22240906420

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 83, 86, 118, 166, 172, 215, 236, 295, 332, 415, 430, 590, 830, 860, 1180, 1660, 2537, 3569, 4357, 4897, 5074, 7138, 8714, 9794, 10148, 12685, 14276, 17428, 17845, 19588, 21785, 24485, 25370, 35690, 43570, 48970, 50740, 71380, 87140, 97940, 187351, 210571, 257063, 361631, 374702, 421142, 514126, 723262, 749404, 842284, 936755, 1028252, 1052855, 1285315, 1446524, 1808155, 1873510, 2105710, 2570630, 3616310, 3747020, 4211420, 5141260, 7232620, 11053709, 15550133, 21336229, 22107418, 31100266, 42672458, 44214836, 55268545, 62200532, 77750665, 85344916, 106681145, 110537090, 155501330, 213362290, 221074180, 311002660, 426724580, 917457847, 1834915694, 3669831388, 4587289235, 9174578470, 18349156940]

約数ペア:

[(1, 18349156940), (2, 9174578470), (4, 4587289235), (5, 3669831388), (10, 1834915694), (20, 917457847), (43, 426724580), (59, 311002660), (83, 221074180), (86, 213362290), (118, 155501330), (166, 110537090), (172, 106681145), (215, 85344916), (236, 77750665), (295, 62200532), (332, 55268545), (415, 44214836), (430, 42672458), (590, 31100266), (830, 22107418), (860, 21336229), (1180, 15550133), (1660, 11053709), (2537, 7232620), (3569, 5141260), (4357, 4211420), (4897, 3747020), (5074, 3616310), (7138, 2570630), (8714, 2105710), (9794, 1873510), (10148, 1808155), (12685, 1446524), (14276, 1285315), (17428, 1052855), (17845, 1028252), (19588, 936755), (21785, 842284), (24485, 749404), (25370, 723262), (35690, 514126), (43570, 421142), (48970, 374702), (50740, 361631), (71380, 257063), (87140, 210571), (97940, 187351)]