18401075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 29045760

約数和(自身を除く): 10644685

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 79, 121, 175, 275, 385, 395, 553, 605, 847, 869, 1331, 1925, 1975, 2765, 3025, 4235, 4345, 6083, 6655, 9317, 9559, 13825, 21175, 21725, 30415, 33275, 46585, 47795, 66913, 105149, 152075, 232925, 238975, 334565, 525745, 736043, 1672825, 2628725, 3680215, 18401075]

約数ペア:

[(1, 18401075), (5, 3680215), (7, 2628725), (11, 1672825), (25, 736043), (35, 525745), (55, 334565), (77, 238975), (79, 232925), (121, 152075), (175, 105149), (275, 66913), (385, 47795), (395, 46585), (553, 33275), (605, 30415), (847, 21725), (869, 21175), (1331, 13825), (1925, 9559), (1975, 9317), (2765, 6655), (3025, 6083), (4235, 4345)]