19617976

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8147}}^1$

素因数の和:8203

約数の個数: 32

約数和(自身を含む): 43021440

約数和(自身を除く): 23403464

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8147, 16294, 32588, 57029, 65176, 114058, 228116, 350321, 456232, 700642, 1401284, 2452247, 2802568, 4904494, 9808988, 19617976]

約数ペア:

[(1, 19617976), (2, 9808988), (4, 4904494), (7, 2802568), (8, 2452247), (14, 1401284), (28, 700642), (43, 456232), (56, 350321), (86, 228116), (172, 114058), (301, 65176), (344, 57029), (602, 32588), (1204, 16294), (2408, 8147)]