19890864104

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{1301}}^1\times {\mathrm{8419}}^1$

素因数の和:9953

約数の個数: 32

約数和(自身を含む): 37492912800

約数和(自身を除く): 17602048696

約数列:

[1, 2, 4, 8, 227, 454, 908, 1301, 1816, 2602, 5204, 8419, 10408, 16838, 33676, 67352, 295327, 590654, 1181308, 1911113, 2362616, 3822226, 7644452, 10953119, 15288904, 21906238, 43812476, 87624952, 2486358013, 4972716026, 9945432052, 19890864104]

約数ペア:

[(1, 19890864104), (2, 9945432052), (4, 4972716026), (8, 2486358013), (227, 87624952), (454, 43812476), (908, 21906238), (1301, 15288904), (1816, 10953119), (2602, 7644452), (5204, 3822226), (8419, 2362616), (10408, 1911113), (16838, 1181308), (33676, 590654), (67352, 295327)]