19269425

素因数分解:

$5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 27528000

約数和(自身を除く): 8258575

約数列:

[1, 5, 7, 25, 35, 149, 175, 739, 745, 1043, 3695, 3725, 5173, 5215, 18475, 25865, 26075, 110111, 129325, 550555, 770777, 2752775, 3853885, 19269425]

約数ペア:

[(1, 19269425), (5, 3853885), (7, 2752775), (25, 770777), (35, 550555), (149, 129325), (175, 110111), (739, 26075), (745, 25865), (1043, 18475), (3695, 5215), (3725, 5173)]