18738580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19121}}^1$

素因数の和:19144

約数の個数: 36

約数和(自身を含む): 45778068

約数和(自身を除く): 27039488

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19121, 38242, 76484, 95605, 133847, 191210, 267694, 382420, 535388, 669235, 936929, 1338470, 1873858, 2676940, 3747716, 4684645, 9369290, 18738580]

約数ペア:

[(1, 18738580), (2, 9369290), (4, 4684645), (5, 3747716), (7, 2676940), (10, 1873858), (14, 1338470), (20, 936929), (28, 669235), (35, 535388), (49, 382420), (70, 267694), (98, 191210), (140, 133847), (196, 95605), (245, 76484), (490, 38242), (980, 19121)]