19174988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22091}}^1$

素因数の和:22133

約数の個数: 24

約数和(自身を含む): 39588864

約数和(自身を除く): 20413876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 22091, 44182, 88364, 154637, 309274, 618548, 684821, 1369642, 2739284, 4793747, 9587494, 19174988]

約数ペア:

[(1, 19174988), (2, 9587494), (4, 4793747), (7, 2739284), (14, 1369642), (28, 684821), (31, 618548), (62, 309274), (124, 154637), (217, 88364), (434, 44182), (868, 22091)]