19978116

素因数分解:

$2^2\times 3^1\times {\mathrm{127}}^1\times {\mathrm{13109}}^1$

素因数の和:13243

約数の個数: 24

約数和(自身を含む): 46986240

約数和(自身を除く): 27008124

約数列:

[1, 2, 3, 4, 6, 12, 127, 254, 381, 508, 762, 1524, 13109, 26218, 39327, 52436, 78654, 157308, 1664843, 3329686, 4994529, 6659372, 9989058, 19978116]

約数ペア:

[(1, 19978116), (2, 9989058), (3, 6659372), (4, 4994529), (6, 3329686), (12, 1664843), (127, 157308), (254, 78654), (381, 52436), (508, 39327), (762, 26218), (1524, 13109)]