18569187

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 34856640

約数和(自身を除く): 16287453

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 49, 63, 79, 91, 117, 123, 147, 237, 273, 287, 369, 441, 533, 553, 637, 711, 819, 861, 1027, 1599, 1659, 1911, 2009, 2583, 3081, 3239, 3731, 3871, 4797, 4977, 5733, 6027, 7189, 9243, 9717, 11193, 11613, 18081, 21567, 22673, 26117, 29151, 33579, 34839, 42107, 50323, 64701, 68019, 78351, 126321, 150969, 158711, 204057, 235053, 294749, 378963, 452907, 476133, 884247, 1428399, 2063243, 2652741, 6189729, 18569187]

約数ペア:

[(1, 18569187), (3, 6189729), (7, 2652741), (9, 2063243), (13, 1428399), (21, 884247), (39, 476133), (41, 452907), (49, 378963), (63, 294749), (79, 235053), (91, 204057), (117, 158711), (123, 150969), (147, 126321), (237, 78351), (273, 68019), (287, 64701), (369, 50323), (441, 42107), (533, 34839), (553, 33579), (637, 29151), (711, 26117), (819, 22673), (861, 21567), (1027, 18081), (1599, 11613), (1659, 11193), (1911, 9717), (2009, 9243), (2583, 7189), (3081, 6027), (3239, 5733), (3731, 4977), (3871, 4797)]