16889992

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1531}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 36400320

約数和(自身を除く): 19510328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1531, 1576, 2758, 3062, 5516, 6124, 10717, 11032, 12248, 21434, 42868, 85736, 301607, 603214, 1206428, 2111249, 2412856, 4222498, 8444996, 16889992]

約数ペア:

[(1, 16889992), (2, 8444996), (4, 4222498), (7, 2412856), (8, 2111249), (14, 1206428), (28, 603214), (56, 301607), (197, 85736), (394, 42868), (788, 21434), (1379, 12248), (1531, 11032), (1576, 10717), (2758, 6124), (3062, 5516)]