19767885

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 33600000

約数和(自身を除く): 13832115

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 417, 499, 695, 1497, 2085, 2495, 2641, 7485, 7923, 9481, 13205, 28443, 39615, 47405, 69361, 142215, 208083, 346805, 1040415, 1317859, 3953577, 6589295, 19767885]

約数ペア:

[(1, 19767885), (3, 6589295), (5, 3953577), (15, 1317859), (19, 1040415), (57, 346805), (95, 208083), (139, 142215), (285, 69361), (417, 47405), (499, 39615), (695, 28443), (1497, 13205), (2085, 9481), (2495, 7923), (2641, 7485)]