19718272

素因数分解:

$2^7\times 7^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 45777600

約数和(自身を除く): 26059328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 112, 118, 128, 224, 236, 373, 413, 448, 472, 746, 826, 896, 944, 1492, 1652, 1888, 2611, 2984, 3304, 3776, 5222, 5968, 6608, 7552, 10444, 11936, 13216, 20888, 22007, 23872, 26432, 41776, 44014, 47744, 52864, 83552, 88028, 154049, 167104, 176056, 308098, 334208, 352112, 616196, 704224, 1232392, 1408448, 2464784, 2816896, 4929568, 9859136, 19718272]

約数ペア:

[(1, 19718272), (2, 9859136), (4, 4929568), (7, 2816896), (8, 2464784), (14, 1408448), (16, 1232392), (28, 704224), (32, 616196), (56, 352112), (59, 334208), (64, 308098), (112, 176056), (118, 167104), (128, 154049), (224, 88028), (236, 83552), (373, 52864), (413, 47744), (448, 44014), (472, 41776), (746, 26432), (826, 23872), (896, 22007), (944, 20888), (1492, 13216), (1652, 11936), (1888, 10444), (2611, 7552), (2984, 6608), (3304, 5968), (3776, 5222)]