19387320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{161561}}^1$

素因数の和:161575

約数の個数: 32

約数和(自身を含む): 58162320

約数和(自身を除く): 38775000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 161561, 323122, 484683, 646244, 807805, 969366, 1292488, 1615610, 1938732, 2423415, 3231220, 3877464, 4846830, 6462440, 9693660, 19387320]

約数ペア:

[(1, 19387320), (2, 9693660), (3, 6462440), (4, 4846830), (5, 3877464), (6, 3231220), (8, 2423415), (10, 1938732), (12, 1615610), (15, 1292488), (20, 969366), (24, 807805), (30, 646244), (40, 484683), (60, 323122), (120, 161561)]