18490836

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 56306880

約数和(自身を除く): 37816044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 41, 42, 49, 52, 59, 78, 82, 84, 91, 98, 118, 123, 147, 156, 164, 177, 182, 196, 236, 246, 273, 287, 294, 354, 364, 413, 492, 533, 546, 574, 588, 637, 708, 767, 826, 861, 1066, 1092, 1148, 1239, 1274, 1534, 1599, 1652, 1722, 1911, 2009, 2132, 2301, 2419, 2478, 2548, 2891, 3068, 3198, 3444, 3731, 3822, 4018, 4602, 4838, 4956, 5369, 5782, 6027, 6396, 7257, 7462, 7644, 8036, 8673, 9204, 9676, 10738, 11193, 11564, 12054, 14514, 14924, 16107, 16933, 17346, 21476, 22386, 24108, 26117, 29028, 31447, 32214, 33866, 34692, 37583, 44772, 50799, 52234, 62894, 64428, 67732, 75166, 78351, 94341, 101598, 104468, 112749, 118531, 125788, 150332, 156702, 188682, 203196, 220129, 225498, 237062, 313404, 355593, 377364, 440258, 450996, 474124, 660387, 711186, 880516, 1320774, 1422372, 1540903, 2641548, 3081806, 4622709, 6163612, 9245418, 18490836]

約数ペア:

[(1, 18490836), (2, 9245418), (3, 6163612), (4, 4622709), (6, 3081806), (7, 2641548), (12, 1540903), (13, 1422372), (14, 1320774), (21, 880516), (26, 711186), (28, 660387), (39, 474124), (41, 450996), (42, 440258), (49, 377364), (52, 355593), (59, 313404), (78, 237062), (82, 225498), (84, 220129), (91, 203196), (98, 188682), (118, 156702), (123, 150332), (147, 125788), (156, 118531), (164, 112749), (177, 104468), (182, 101598), (196, 94341), (236, 78351), (246, 75166), (273, 67732), (287, 64428), (294, 62894), (354, 52234), (364, 50799), (413, 44772), (492, 37583), (533, 34692), (546, 33866), (574, 32214), (588, 31447), (637, 29028), (708, 26117), (767, 24108), (826, 22386), (861, 21476), (1066, 17346), (1092, 16933), (1148, 16107), (1239, 14924), (1274, 14514), (1534, 12054), (1599, 11564), (1652, 11193), (1722, 10738), (1911, 9676), (2009, 9204), (2132, 8673), (2301, 8036), (2419, 7644), (2478, 7462), (2548, 7257), (2891, 6396), (3068, 6027), (3198, 5782), (3444, 5369), (3731, 4956), (3822, 4838), (4018, 4602)]