19457616

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{9887}}^1$

素因数の和:9939

約数の個数: 40

約数和(自身を含む): 51496704

約数和(自身を除く): 32039088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 9887, 19774, 29661, 39548, 59322, 79096, 118644, 158192, 237288, 405367, 474576, 810734, 1216101, 1621468, 2432202, 3242936, 4864404, 6485872, 9728808, 19457616]

約数ペア:

[(1, 19457616), (2, 9728808), (3, 6485872), (4, 4864404), (6, 3242936), (8, 2432202), (12, 1621468), (16, 1216101), (24, 810734), (41, 474576), (48, 405367), (82, 237288), (123, 158192), (164, 118644), (246, 79096), (328, 59322), (492, 39548), (656, 29661), (984, 19774), (1968, 9887)]