18261793

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 4547807

約数列:

[1, 11, 19, 23, 29, 131, 209, 253, 319, 437, 551, 667, 1441, 2489, 3013, 3799, 4807, 6061, 7337, 12673, 27379, 33143, 41789, 57247, 72181, 87377, 139403, 629717, 793991, 961147, 1660163, 18261793]

約数ペア:

[(1, 18261793), (11, 1660163), (19, 961147), (23, 793991), (29, 629717), (131, 139403), (209, 87377), (253, 72181), (319, 57247), (437, 41789), (551, 33143), (667, 27379), (1441, 12673), (2489, 7337), (3013, 6061), (3799, 4807)]