19456180

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2939}}^1$

素因数の和:3279

約数の個数: 24

約数和(自身を含む): 40995360

約数和(自身を除く): 21539180

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 2939, 3310, 5878, 6620, 11756, 14695, 29390, 58780, 972809, 1945618, 3891236, 4864045, 9728090, 19456180]

約数ペア:

[(1, 19456180), (2, 9728090), (4, 4864045), (5, 3891236), (10, 1945618), (20, 972809), (331, 58780), (662, 29390), (1324, 14695), (1655, 11756), (2939, 6620), (3310, 5878)]