18605965

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 8972915

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 667, 797, 805, 1015, 3335, 3985, 4669, 5579, 18331, 23113, 23345, 27895, 91655, 115565, 128317, 161791, 531599, 641585, 808955, 2657995, 3721193, 18605965]

約数ペア:

[(1, 18605965), (5, 3721193), (7, 2657995), (23, 808955), (29, 641585), (35, 531599), (115, 161791), (145, 128317), (161, 115565), (203, 91655), (667, 27895), (797, 23345), (805, 23113), (1015, 18331), (3335, 5579), (3985, 4669)]