18016047

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 33408000

約数和(自身を除く): 15391953

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 57, 63, 87, 133, 171, 173, 189, 203, 261, 399, 513, 519, 551, 609, 783, 1197, 1211, 1557, 1653, 1827, 3287, 3591, 3633, 3857, 4671, 4959, 5017, 5481, 9861, 10899, 11571, 14877, 15051, 23009, 29583, 32697, 34713, 35119, 45153, 69027, 88749, 95323, 104139, 105357, 135459, 207081, 285969, 316071, 621243, 667261, 857907, 948213, 2001783, 2573721, 6005349, 18016047]

約数ペア:

[(1, 18016047), (3, 6005349), (7, 2573721), (9, 2001783), (19, 948213), (21, 857907), (27, 667261), (29, 621243), (57, 316071), (63, 285969), (87, 207081), (133, 135459), (171, 105357), (173, 104139), (189, 95323), (203, 88749), (261, 69027), (399, 45153), (513, 35119), (519, 34713), (551, 32697), (609, 29583), (783, 23009), (1197, 15051), (1211, 14877), (1557, 11571), (1653, 10899), (1827, 9861), (3287, 5481), (3591, 5017), (3633, 4959), (3857, 4671)]