19112499

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2281}}^1$

素因数の和:2320

約数の個数: 36

約数和(自身を含む): 33819240

約数和(自身を除く): 14706741

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2281, 2793, 6843, 8379, 15967, 20529, 43339, 47901, 111769, 130017, 143703, 303373, 335307, 390051, 910119, 1005921, 2123611, 2730357, 6370833, 19112499]

約数ペア:

[(1, 19112499), (3, 6370833), (7, 2730357), (9, 2123611), (19, 1005921), (21, 910119), (49, 390051), (57, 335307), (63, 303373), (133, 143703), (147, 130017), (171, 111769), (399, 47901), (441, 43339), (931, 20529), (1197, 15967), (2281, 8379), (2793, 6843)]