19578208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2477}}^1$

素因数の和:2519

約数の個数: 48

約数和(自身を含む): 43711920

約数和(自身を除く): 24133712

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2477, 3952, 4954, 7904, 9908, 19816, 32201, 39632, 47063, 64402, 79264, 94126, 128804, 188252, 257608, 376504, 515216, 611819, 753008, 1030432, 1223638, 1506016, 2447276, 4894552, 9789104, 19578208]

約数ペア:

[(1, 19578208), (2, 9789104), (4, 4894552), (8, 2447276), (13, 1506016), (16, 1223638), (19, 1030432), (26, 753008), (32, 611819), (38, 515216), (52, 376504), (76, 257608), (104, 188252), (152, 128804), (208, 94126), (247, 79264), (304, 64402), (416, 47063), (494, 39632), (608, 32201), (988, 19816), (1976, 9908), (2477, 7904), (3952, 4954)]