18886854

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 44290368

約数和(自身を除く): 25403514

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 227, 283, 294, 454, 566, 681, 849, 1362, 1589, 1698, 1981, 3178, 3962, 4767, 5943, 9534, 11123, 11886, 13867, 22246, 27734, 33369, 41601, 64241, 66738, 83202, 128482, 192723, 385446, 449687, 899374, 1349061, 2698122, 3147809, 6295618, 9443427, 18886854]

約数ペア:

[(1, 18886854), (2, 9443427), (3, 6295618), (6, 3147809), (7, 2698122), (14, 1349061), (21, 899374), (42, 449687), (49, 385446), (98, 192723), (147, 128482), (227, 83202), (283, 66738), (294, 64241), (454, 41601), (566, 33369), (681, 27734), (849, 22246), (1362, 13867), (1589, 11886), (1698, 11123), (1981, 9534), (3178, 5943), (3962, 4767)]