19991330336

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{693373}}^1$

素因数の和:693453

約数の個数: 48

約数和(自身を含む): 42459450264

約数和(自身を除く): 22468119928

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 68, 106, 136, 212, 272, 424, 544, 848, 901, 1696, 1802, 3604, 7208, 14416, 28832, 693373, 1386746, 2773492, 5546984, 11093968, 11787341, 22187936, 23574682, 36748769, 47149364, 73497538, 94298728, 146995076, 188597456, 293990152, 377194912, 587980304, 624729073, 1175960608, 1249458146, 2498916292, 4997832584, 9995665168, 19991330336]

約数ペア:

[(1, 19991330336), (2, 9995665168), (4, 4997832584), (8, 2498916292), (16, 1249458146), (17, 1175960608), (32, 624729073), (34, 587980304), (53, 377194912), (68, 293990152), (106, 188597456), (136, 146995076), (212, 94298728), (272, 73497538), (424, 47149364), (544, 36748769), (848, 23574682), (901, 22187936), (1696, 11787341), (1802, 11093968), (3604, 5546984), (7208, 2773492), (14416, 1386746), (28832, 693373)]