19783276

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 15839444

約数列:

[1, 2, 4, 61, 89, 122, 178, 244, 356, 911, 1822, 3644, 5429, 10858, 21716, 55571, 81079, 111142, 162158, 222284, 324316, 4945819, 9891638, 19783276]

約数ペア:

[(1, 19783276), (2, 9891638), (4, 4945819), (61, 324316), (89, 222284), (122, 162158), (178, 111142), (244, 81079), (356, 55571), (911, 21716), (1822, 10858), (3644, 5429)]