19438825

素因数分解:

$5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{983}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 27819648

約数和(自身を除く): 8380823

約数列:

[1, 5, 7, 25, 35, 113, 175, 565, 791, 983, 2825, 3955, 4915, 6881, 19775, 24575, 34405, 111079, 172025, 555395, 777553, 2776975, 3887765, 19438825]

約数ペア:

[(1, 19438825), (5, 3887765), (7, 2776975), (25, 777553), (35, 555395), (113, 172025), (175, 111079), (565, 34405), (791, 24575), (983, 19775), (2825, 6881), (3955, 4915)]