19905504

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12197}}^1$

素因数の和:12227

約数の個数: 48

約数和(自身を含む): 55330128

約数和(自身を除く): 35424624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12197, 24394, 36591, 48788, 73182, 97576, 146364, 195152, 207349, 292728, 390304, 414698, 585456, 622047, 829396, 1170912, 1244094, 1658792, 2488188, 3317584, 4976376, 6635168, 9952752, 19905504]

約数ペア:

[(1, 19905504), (2, 9952752), (3, 6635168), (4, 4976376), (6, 3317584), (8, 2488188), (12, 1658792), (16, 1244094), (17, 1170912), (24, 829396), (32, 622047), (34, 585456), (48, 414698), (51, 390304), (68, 292728), (96, 207349), (102, 195152), (136, 146364), (204, 97576), (272, 73182), (408, 48788), (544, 36591), (816, 24394), (1632, 12197)]