18738594

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 29472606

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 89, 126, 178, 189, 267, 378, 534, 557, 623, 801, 1114, 1246, 1602, 1671, 1869, 2403, 3342, 3738, 3899, 4806, 5013, 5607, 7798, 10026, 11214, 11697, 15039, 16821, 23394, 30078, 33642, 35091, 49573, 70182, 99146, 105273, 148719, 210546, 297438, 347011, 446157, 694022, 892314, 1041033, 1338471, 2082066, 2676942, 3123099, 6246198, 9369297, 18738594]

約数ペア:

[(1, 18738594), (2, 9369297), (3, 6246198), (6, 3123099), (7, 2676942), (9, 2082066), (14, 1338471), (18, 1041033), (21, 892314), (27, 694022), (42, 446157), (54, 347011), (63, 297438), (89, 210546), (126, 148719), (178, 105273), (189, 99146), (267, 70182), (378, 49573), (534, 35091), (557, 33642), (623, 30078), (801, 23394), (1114, 16821), (1246, 15039), (1602, 11697), (1671, 11214), (1869, 10026), (2403, 7798), (3342, 5607), (3738, 5013), (3899, 4806)]