19310320

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{859}}^1$

素因数の和:1153

約数の個数: 40

約数和(自身を含む): 45108720

約数和(自身を除く): 25798400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 859, 1124, 1405, 1718, 2248, 2810, 3436, 4295, 4496, 5620, 6872, 8590, 11240, 13744, 17180, 22480, 34360, 68720, 241379, 482758, 965516, 1206895, 1931032, 2413790, 3862064, 4827580, 9655160, 19310320]

約数ペア:

[(1, 19310320), (2, 9655160), (4, 4827580), (5, 3862064), (8, 2413790), (10, 1931032), (16, 1206895), (20, 965516), (40, 482758), (80, 241379), (281, 68720), (562, 34360), (859, 22480), (1124, 17180), (1405, 13744), (1718, 11240), (2248, 8590), (2810, 6872), (3436, 5620), (4295, 4496)]