18635865

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2843}}^1$

素因数の和:2893

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 14127015

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 2843, 6555, 8529, 14215, 42645, 54017, 65389, 162051, 196167, 270085, 326945, 810255, 980835, 1242391, 3727173, 6211955, 18635865]

約数ペア:

[(1, 18635865), (3, 6211955), (5, 3727173), (15, 1242391), (19, 980835), (23, 810255), (57, 326945), (69, 270085), (95, 196167), (115, 162051), (285, 65389), (345, 54017), (437, 42645), (1311, 14215), (2185, 8529), (2843, 6555)]