19514140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 43696800

約数和(自身を除く): 24182660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 577, 890, 1154, 1691, 1780, 2308, 2885, 3382, 5770, 6764, 8455, 10963, 11540, 16910, 21926, 33820, 43852, 51353, 54815, 102706, 109630, 205412, 219260, 256765, 513530, 975707, 1027060, 1951414, 3902828, 4878535, 9757070, 19514140]

約数ペア:

[(1, 19514140), (2, 9757070), (4, 4878535), (5, 3902828), (10, 1951414), (19, 1027060), (20, 975707), (38, 513530), (76, 256765), (89, 219260), (95, 205412), (178, 109630), (190, 102706), (356, 54815), (380, 51353), (445, 43852), (577, 33820), (890, 21926), (1154, 16910), (1691, 11540), (1780, 10963), (2308, 8455), (2885, 6764), (3382, 5770)]