18755373

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 33546240

約数和(自身を除く): 14790867

約数列:

[1, 3, 7, 13, 21, 23, 29, 39, 69, 87, 91, 103, 161, 203, 273, 299, 309, 377, 483, 609, 667, 721, 897, 1131, 1339, 2001, 2093, 2163, 2369, 2639, 2987, 4017, 4669, 6279, 7107, 7917, 8671, 8961, 9373, 14007, 16583, 20909, 26013, 28119, 30797, 38831, 49749, 60697, 62727, 68701, 92391, 116493, 182091, 206103, 215579, 271817, 480907, 646737, 815451, 893113, 1442721, 2679339, 6251791, 18755373]

約数ペア:

[(1, 18755373), (3, 6251791), (7, 2679339), (13, 1442721), (21, 893113), (23, 815451), (29, 646737), (39, 480907), (69, 271817), (87, 215579), (91, 206103), (103, 182091), (161, 116493), (203, 92391), (273, 68701), (299, 62727), (309, 60697), (377, 49749), (483, 38831), (609, 30797), (667, 28119), (721, 26013), (897, 20909), (1131, 16583), (1339, 14007), (2001, 9373), (2093, 8961), (2163, 8671), (2369, 7917), (2639, 7107), (2987, 6279), (4017, 4669)]