19293904

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5557}}^1$

素因数の和:5603

約数の個数: 40

約数和(自身を含む): 44108288

約数和(自身を除く): 24814384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5557, 11114, 22228, 38899, 44456, 77798, 88912, 155596, 172267, 311192, 344534, 622384, 689068, 1205869, 1378136, 2411738, 2756272, 4823476, 9646952, 19293904]

約数ペア:

[(1, 19293904), (2, 9646952), (4, 4823476), (7, 2756272), (8, 2411738), (14, 1378136), (16, 1205869), (28, 689068), (31, 622384), (56, 344534), (62, 311192), (112, 172267), (124, 155596), (217, 88912), (248, 77798), (434, 44456), (496, 38899), (868, 22228), (1736, 11114), (3472, 5557)]