19258533

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 35635200

約数和(自身を除く): 16376667

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 93, 133, 171, 173, 189, 217, 279, 399, 513, 519, 589, 651, 837, 1197, 1211, 1557, 1767, 1953, 3287, 3591, 3633, 4123, 4671, 5301, 5363, 5859, 9861, 10899, 12369, 15903, 16089, 23009, 29583, 32697, 37107, 37541, 48267, 69027, 88749, 101897, 111321, 112623, 144801, 207081, 305691, 337869, 621243, 713279, 917073, 1013607, 2139837, 2751219, 6419511, 19258533]

約数ペア:

[(1, 19258533), (3, 6419511), (7, 2751219), (9, 2139837), (19, 1013607), (21, 917073), (27, 713279), (31, 621243), (57, 337869), (63, 305691), (93, 207081), (133, 144801), (171, 112623), (173, 111321), (189, 101897), (217, 88749), (279, 69027), (399, 48267), (513, 37541), (519, 37107), (589, 32697), (651, 29583), (837, 23009), (1197, 16089), (1211, 15903), (1557, 12369), (1767, 10899), (1953, 9861), (3287, 5859), (3591, 5363), (3633, 5301), (4123, 4671)]