19813472

素因数分解:

$2^5\times 7^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 44906400

約数和(自身を除く): 25092928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 197, 224, 394, 449, 788, 898, 1379, 1576, 1796, 2758, 3143, 3152, 3592, 5516, 6286, 6304, 7184, 11032, 12572, 14368, 22064, 25144, 44128, 50288, 88453, 100576, 176906, 353812, 619171, 707624, 1238342, 1415248, 2476684, 2830496, 4953368, 9906736, 19813472]

約数ペア:

[(1, 19813472), (2, 9906736), (4, 4953368), (7, 2830496), (8, 2476684), (14, 1415248), (16, 1238342), (28, 707624), (32, 619171), (56, 353812), (112, 176906), (197, 100576), (224, 88453), (394, 50288), (449, 44128), (788, 25144), (898, 22064), (1379, 14368), (1576, 12572), (1796, 11032), (2758, 7184), (3143, 6304), (3152, 6286), (3592, 5516)]