19193216

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 45173760

約数和(自身を除く): 25980544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 691, 868, 896, 992, 1382, 1736, 1984, 2764, 3472, 3968, 4837, 5528, 6944, 9674, 11056, 13888, 19348, 21421, 22112, 27776, 38696, 42842, 44224, 77392, 85684, 88448, 149947, 154784, 171368, 299894, 309568, 342736, 599788, 619136, 685472, 1199576, 1370944, 2399152, 2741888, 4798304, 9596608, 19193216]

約数ペア:

[(1, 19193216), (2, 9596608), (4, 4798304), (7, 2741888), (8, 2399152), (14, 1370944), (16, 1199576), (28, 685472), (31, 619136), (32, 599788), (56, 342736), (62, 309568), (64, 299894), (112, 171368), (124, 154784), (128, 149947), (217, 88448), (224, 85684), (248, 77392), (434, 44224), (448, 42842), (496, 38696), (691, 27776), (868, 22112), (896, 21421), (992, 19348), (1382, 13888), (1736, 11056), (1984, 9674), (2764, 6944), (3472, 5528), (3968, 4837)]