19982205

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23371}}^1$

素因数の和:23401

約数の個数: 24

約数和(自身を含む): 36460320

約数和(自身を除く): 16478115

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23371, 70113, 116855, 210339, 350565, 444049, 1051695, 1332147, 2220245, 3996441, 6660735, 19982205]

約数ペア:

[(1, 19982205), (3, 6660735), (5, 3996441), (9, 2220245), (15, 1332147), (19, 1051695), (45, 444049), (57, 350565), (95, 210339), (171, 116855), (285, 70113), (855, 23371)]