19577440

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3307}}^1$

素因数の和:3359

約数の個数: 48

約数和(自身を含む): 47516112

約数和(自身を除く): 27938672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3307, 5920, 6614, 13228, 16535, 26456, 33070, 52912, 66140, 105824, 122359, 132280, 244718, 264560, 489436, 529120, 611795, 978872, 1223590, 1957744, 2447180, 3915488, 4894360, 9788720, 19577440]

約数ペア:

[(1, 19577440), (2, 9788720), (4, 4894360), (5, 3915488), (8, 2447180), (10, 1957744), (16, 1223590), (20, 978872), (32, 611795), (37, 529120), (40, 489436), (74, 264560), (80, 244718), (148, 132280), (160, 122359), (185, 105824), (296, 66140), (370, 52912), (592, 33070), (740, 26456), (1184, 16535), (1480, 13228), (2960, 6614), (3307, 5920)]