18842575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 24748416

約数和(自身を除く): 5905841

約数列:

[1, 5, 25, 31, 41, 155, 205, 593, 775, 1025, 1271, 2965, 6355, 14825, 18383, 24313, 31775, 91915, 121565, 459575, 607825, 753703, 3768515, 18842575]

約数ペア:

[(1, 18842575), (5, 3768515), (25, 753703), (31, 607825), (41, 459575), (155, 121565), (205, 91915), (593, 31775), (775, 24313), (1025, 18383), (1271, 14825), (2965, 6355)]