18687416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2909}}^1$

素因数の和:2999

約数の個数: 32

約数和(自身を含む): 38761200

約数和(自身を除く): 20073784

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 2909, 3212, 5818, 6424, 11636, 23272, 31999, 63998, 127996, 212357, 255992, 424714, 849428, 1698856, 2335927, 4671854, 9343708, 18687416]

約数ペア:

[(1, 18687416), (2, 9343708), (4, 4671854), (8, 2335927), (11, 1698856), (22, 849428), (44, 424714), (73, 255992), (88, 212357), (146, 127996), (292, 63998), (584, 31999), (803, 23272), (1606, 11636), (2909, 6424), (3212, 5818)]