18780790806

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2387591}}^1$

素因数の和:2387641

約数の個数: 48

約数和(自身を含む): 44695722240

約数和(自身を除く): 25914931434

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2622, 3933, 7866, 2387591, 4775182, 7162773, 14325546, 21488319, 42976638, 45364229, 54914593, 90728458, 109829186, 136092687, 164743779, 272185374, 329487558, 408278061, 494231337, 816556122, 988462674, 1043377267, 2086754534, 3130131801, 6260263602, 9390395403, 18780790806]

約数ペア:

[(1, 18780790806), (2, 9390395403), (3, 6260263602), (6, 3130131801), (9, 2086754534), (18, 1043377267), (19, 988462674), (23, 816556122), (38, 494231337), (46, 408278061), (57, 329487558), (69, 272185374), (114, 164743779), (138, 136092687), (171, 109829186), (207, 90728458), (342, 54914593), (414, 45364229), (437, 42976638), (874, 21488319), (1311, 14325546), (2622, 7162773), (3933, 4775182), (7866, 2387591)]