18486426

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 43354656

約数和(自身を除く): 24868230

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 227, 277, 294, 454, 554, 681, 831, 1362, 1589, 1662, 1939, 3178, 3878, 4767, 5817, 9534, 11123, 11634, 13573, 22246, 27146, 33369, 40719, 62879, 66738, 81438, 125758, 188637, 377274, 440153, 880306, 1320459, 2640918, 3081071, 6162142, 9243213, 18486426]

約数ペア:

[(1, 18486426), (2, 9243213), (3, 6162142), (6, 3081071), (7, 2640918), (14, 1320459), (21, 880306), (42, 440153), (49, 377274), (98, 188637), (147, 125758), (227, 81438), (277, 66738), (294, 62879), (454, 40719), (554, 33369), (681, 27146), (831, 22246), (1362, 13573), (1589, 11634), (1662, 11123), (1939, 9534), (3178, 5817), (3878, 4767)]