19968144

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:972

約数の個数: 80

約数和(自身を含む): 59900928

約数和(自身を除く): 39932784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 67, 84, 112, 134, 168, 201, 268, 336, 402, 469, 536, 804, 887, 938, 1072, 1407, 1608, 1774, 1876, 2661, 2814, 3216, 3548, 3752, 5322, 5628, 6209, 7096, 7504, 10644, 11256, 12418, 14192, 18627, 21288, 22512, 24836, 37254, 42576, 49672, 59429, 74508, 99344, 118858, 149016, 178287, 237716, 298032, 356574, 416003, 475432, 713148, 832006, 950864, 1248009, 1426296, 1664012, 2496018, 2852592, 3328024, 4992036, 6656048, 9984072, 19968144]

約数ペア:

[(1, 19968144), (2, 9984072), (3, 6656048), (4, 4992036), (6, 3328024), (7, 2852592), (8, 2496018), (12, 1664012), (14, 1426296), (16, 1248009), (21, 950864), (24, 832006), (28, 713148), (42, 475432), (48, 416003), (56, 356574), (67, 298032), (84, 237716), (112, 178287), (134, 149016), (168, 118858), (201, 99344), (268, 74508), (336, 59429), (402, 49672), (469, 42576), (536, 37254), (804, 24836), (887, 22512), (938, 21288), (1072, 18627), (1407, 14192), (1608, 12418), (1774, 11256), (1876, 10644), (2661, 7504), (2814, 7096), (3216, 6209), (3548, 5628), (3752, 5322)]