18922645

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 27256320

約数和(自身を除く): 8333675

約数列:

[1, 5, 7, 29, 35, 103, 145, 181, 203, 515, 721, 905, 1015, 1267, 2987, 3605, 5249, 6335, 14935, 18643, 20909, 26245, 36743, 93215, 104545, 130501, 183715, 540647, 652505, 2703235, 3784529, 18922645]

約数ペア:

[(1, 18922645), (5, 3784529), (7, 2703235), (29, 652505), (35, 540647), (103, 183715), (145, 130501), (181, 104545), (203, 93215), (515, 36743), (721, 26245), (905, 20909), (1015, 18643), (1267, 14935), (2987, 6335), (3605, 5249)]