18670908

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 45116064

約数和(自身を除く): 26445156

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 137, 164, 246, 274, 277, 411, 492, 548, 554, 822, 831, 1108, 1644, 1662, 3324, 5617, 11234, 11357, 16851, 22468, 22714, 33702, 34071, 37949, 45428, 67404, 68142, 75898, 113847, 136284, 151796, 227694, 455388, 1555909, 3111818, 4667727, 6223636, 9335454, 18670908]

約数ペア:

[(1, 18670908), (2, 9335454), (3, 6223636), (4, 4667727), (6, 3111818), (12, 1555909), (41, 455388), (82, 227694), (123, 151796), (137, 136284), (164, 113847), (246, 75898), (274, 68142), (277, 67404), (411, 45428), (492, 37949), (548, 34071), (554, 33702), (822, 22714), (831, 22468), (1108, 16851), (1644, 11357), (1662, 11234), (3324, 5617)]