18795852

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 49629216

約数和(自身を除く): 30833364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 103, 111, 137, 148, 206, 222, 274, 309, 333, 411, 412, 444, 548, 618, 666, 822, 927, 1233, 1236, 1332, 1644, 1854, 2466, 3708, 3811, 4932, 5069, 7622, 10138, 11433, 14111, 15207, 15244, 20276, 22866, 28222, 30414, 34299, 42333, 45621, 45732, 56444, 60828, 68598, 84666, 91242, 126999, 137196, 169332, 182484, 253998, 507996, 522107, 1044214, 1566321, 2088428, 3132642, 4698963, 6265284, 9397926, 18795852]

約数ペア:

[(1, 18795852), (2, 9397926), (3, 6265284), (4, 4698963), (6, 3132642), (9, 2088428), (12, 1566321), (18, 1044214), (36, 522107), (37, 507996), (74, 253998), (103, 182484), (111, 169332), (137, 137196), (148, 126999), (206, 91242), (222, 84666), (274, 68598), (309, 60828), (333, 56444), (411, 45732), (412, 45621), (444, 42333), (548, 34299), (618, 30414), (666, 28222), (822, 22866), (927, 20276), (1233, 15244), (1236, 15207), (1332, 14111), (1644, 11433), (1854, 10138), (2466, 7622), (3708, 5069), (3811, 4932)]