19001320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36541}}^1$

素因数の和:36565

約数の個数: 32

約数和(自身を含む): 46042920

約数和(自身を除く): 27041600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36541, 73082, 146164, 182705, 292328, 365410, 475033, 730820, 950066, 1461640, 1900132, 2375165, 3800264, 4750330, 9500660, 19001320]

約数ペア:

[(1, 19001320), (2, 9500660), (4, 4750330), (5, 3800264), (8, 2375165), (10, 1900132), (13, 1461640), (20, 950066), (26, 730820), (40, 475033), (52, 365410), (65, 292328), (104, 182705), (130, 146164), (260, 73082), (520, 36541)]