17961320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2657}}^1$

素因数の和:2694

約数の個数: 48

約数和(自身を含む): 43777260

約数和(自身を除く): 25815940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2657, 3380, 5314, 6760, 10628, 13285, 21256, 26570, 34541, 53140, 69082, 106280, 138164, 172705, 276328, 345410, 449033, 690820, 898066, 1381640, 1796132, 2245165, 3592264, 4490330, 8980660, 17961320]

約数ペア:

[(1, 17961320), (2, 8980660), (4, 4490330), (5, 3592264), (8, 2245165), (10, 1796132), (13, 1381640), (20, 898066), (26, 690820), (40, 449033), (52, 345410), (65, 276328), (104, 172705), (130, 138164), (169, 106280), (260, 69082), (338, 53140), (520, 34541), (676, 26570), (845, 21256), (1352, 13285), (1690, 10628), (2657, 6760), (3380, 5314)]