19579540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7043}}^1$

素因数の和:7191

約数の個数: 24

約数和(自身を含む): 41418720

約数和(自身を除く): 21839180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 7043, 14086, 28172, 35215, 70430, 140860, 978977, 1957954, 3915908, 4894885, 9789770, 19579540]

約数ペア:

[(1, 19579540), (2, 9789770), (4, 4894885), (5, 3915908), (10, 1957954), (20, 978977), (139, 140860), (278, 70430), (556, 35215), (695, 28172), (1390, 14086), (2780, 7043)]