19321520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14207}}^1$

素因数の和:14237

約数の個数: 40

約数和(自身を含む): 47568384

約数和(自身を除く): 28246864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14207, 28414, 56828, 71035, 113656, 142070, 227312, 241519, 284140, 483038, 568280, 966076, 1136560, 1207595, 1932152, 2415190, 3864304, 4830380, 9660760, 19321520]

約数ペア:

[(1, 19321520), (2, 9660760), (4, 4830380), (5, 3864304), (8, 2415190), (10, 1932152), (16, 1207595), (17, 1136560), (20, 966076), (34, 568280), (40, 483038), (68, 284140), (80, 241519), (85, 227312), (136, 142070), (170, 113656), (272, 71035), (340, 56828), (680, 28414), (1360, 14207)]