19428422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 33421248

約数和(自身を除く): 13992826

約数列:

[1, 2, 13, 23, 26, 46, 53, 106, 299, 598, 613, 689, 1219, 1226, 1378, 2438, 7969, 14099, 15847, 15938, 28198, 31694, 32489, 64978, 183287, 366574, 422357, 747247, 844714, 1494494, 9714211, 19428422]

約数ペア:

[(1, 19428422), (2, 9714211), (13, 1494494), (23, 844714), (26, 747247), (46, 422357), (53, 366574), (106, 183287), (299, 64978), (598, 32489), (613, 31694), (689, 28198), (1219, 15938), (1226, 15847), (1378, 14099), (2438, 7969)]