19281075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23371}}^1$

素因数の和:23395

約数の個数: 24

約数和(自身を含む): 34777536

約数和(自身を除く): 15496461

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 23371, 70113, 116855, 257081, 350565, 584275, 771243, 1285405, 1752825, 3856215, 6427025, 19281075]

約数ペア:

[(1, 19281075), (3, 6427025), (5, 3856215), (11, 1752825), (15, 1285405), (25, 771243), (33, 584275), (55, 350565), (75, 257081), (165, 116855), (275, 70113), (825, 23371)]