19482645

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 19587435

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 2039, 3185, 6117, 9555, 10195, 14273, 26507, 30585, 42819, 71365, 79521, 99911, 132535, 185549, 214095, 299733, 397605, 499555, 556647, 927745, 1298843, 1498665, 2783235, 3896529, 6494215, 19482645]

約数ペア:

[(1, 19482645), (3, 6494215), (5, 3896529), (7, 2783235), (13, 1498665), (15, 1298843), (21, 927745), (35, 556647), (39, 499555), (49, 397605), (65, 299733), (91, 214095), (105, 185549), (147, 132535), (195, 99911), (245, 79521), (273, 71365), (455, 42819), (637, 30585), (735, 26507), (1365, 14273), (1911, 10195), (2039, 9555), (3185, 6117)]