19440944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19919}}^1$

素因数の和:19988

約数の個数: 20

約数和(自身を含む): 38286240

約数和(自身を除く): 18845296

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19919, 39838, 79676, 159352, 318704, 1215059, 2430118, 4860236, 9720472, 19440944]

約数ペア:

[(1, 19440944), (2, 9720472), (4, 4860236), (8, 2430118), (16, 1215059), (61, 318704), (122, 159352), (244, 79676), (488, 39838), (976, 19919)]