19887130

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{911}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 37428480

約数和(自身を除く): 17541350

約数列:

[1, 2, 5, 10, 37, 59, 74, 118, 185, 295, 370, 590, 911, 1822, 2183, 4366, 4555, 9110, 10915, 21830, 33707, 53749, 67414, 107498, 168535, 268745, 337070, 537490, 1988713, 3977426, 9943565, 19887130]

約数ペア:

[(1, 19887130), (2, 9943565), (5, 3977426), (10, 1988713), (37, 537490), (59, 337070), (74, 268745), (118, 168535), (185, 107498), (295, 67414), (370, 53749), (590, 33707), (911, 21830), (1822, 10915), (2183, 9110), (4366, 4555)]