19299561

素因数分解:

$3^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 27292320

約数和(自身を除く): 7992759

約数列:

[1, 3, 41, 43, 89, 123, 129, 267, 1681, 1763, 3649, 3827, 5043, 5289, 10947, 11481, 72283, 149609, 156907, 216849, 448827, 470721, 6433187, 19299561]

約数ペア:

[(1, 19299561), (3, 6433187), (41, 470721), (43, 448827), (89, 216849), (123, 156907), (129, 149609), (267, 72283), (1681, 11481), (1763, 10947), (3649, 5289), (3827, 5043)]