18081711

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 29427200

約数和(自身を除く): 11345489

約数列:

[1, 3, 9, 19, 27, 31, 57, 81, 93, 171, 279, 379, 513, 589, 837, 1137, 1539, 1767, 2511, 3411, 5301, 7201, 10233, 11749, 15903, 21603, 30699, 35247, 47709, 64809, 105741, 194427, 223231, 317223, 583281, 669693, 951669, 2009079, 6027237, 18081711]

約数ペア:

[(1, 18081711), (3, 6027237), (9, 2009079), (19, 951669), (27, 669693), (31, 583281), (57, 317223), (81, 223231), (93, 194427), (171, 105741), (279, 64809), (379, 47709), (513, 35247), (589, 30699), (837, 21603), (1137, 15903), (1539, 11749), (1767, 10233), (2511, 7201), (3411, 5301)]