19709390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 17891890

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1279, 1541, 2558, 3082, 6395, 7705, 12790, 15410, 29417, 58834, 85693, 147085, 171386, 294170, 428465, 856930, 1970939, 3941878, 9854695, 19709390]

約数ペア:

[(1, 19709390), (2, 9854695), (5, 3941878), (10, 1970939), (23, 856930), (46, 428465), (67, 294170), (115, 171386), (134, 147085), (230, 85693), (335, 58834), (670, 29417), (1279, 15410), (1541, 12790), (2558, 7705), (3082, 6395)]