19987290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{74027}}^1$

素因数の和:74043

約数の個数: 32

約数和(自身を含む): 53300160

約数和(自身を除く): 33312870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 74027, 148054, 222081, 370135, 444162, 666243, 740270, 1110405, 1332486, 1998729, 2220810, 3331215, 3997458, 6662430, 9993645, 19987290]

約数ペア:

[(1, 19987290), (2, 9993645), (3, 6662430), (5, 3997458), (6, 3331215), (9, 2220810), (10, 1998729), (15, 1332486), (18, 1110405), (27, 740270), (30, 666243), (45, 444162), (54, 370135), (90, 222081), (135, 148054), (270, 74027)]