18869552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1093}}^1$

素因数の和:1197

約数の個数: 40

約数和(自身を含む): 39882864

約数和(自身を除く): 21013312

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1093, 1328, 2158, 2186, 4316, 4372, 8632, 8744, 14209, 17264, 17488, 28418, 56836, 90719, 113672, 181438, 227344, 362876, 725752, 1179347, 1451504, 2358694, 4717388, 9434776, 18869552]

約数ペア:

[(1, 18869552), (2, 9434776), (4, 4717388), (8, 2358694), (13, 1451504), (16, 1179347), (26, 725752), (52, 362876), (83, 227344), (104, 181438), (166, 113672), (208, 90719), (332, 56836), (664, 28418), (1079, 17488), (1093, 17264), (1328, 14209), (2158, 8744), (2186, 8632), (4316, 4372)]