19519992

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{751}}^1$

素因数の和:801

約数の個数: 72

約数和(自身を含む): 55869840

約数和(自身を除く): 36349848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 751, 1083, 1368, 1444, 1502, 2166, 2253, 2888, 3004, 3249, 4332, 4506, 6008, 6498, 6759, 8664, 9012, 12996, 13518, 14269, 18024, 25992, 27036, 28538, 42807, 54072, 57076, 85614, 114152, 128421, 171228, 256842, 271111, 342456, 513684, 542222, 813333, 1027368, 1084444, 1626666, 2168888, 2439999, 3253332, 4879998, 6506664, 9759996, 19519992]

約数ペア:

[(1, 19519992), (2, 9759996), (3, 6506664), (4, 4879998), (6, 3253332), (8, 2439999), (9, 2168888), (12, 1626666), (18, 1084444), (19, 1027368), (24, 813333), (36, 542222), (38, 513684), (57, 342456), (72, 271111), (76, 256842), (114, 171228), (152, 128421), (171, 114152), (228, 85614), (342, 57076), (361, 54072), (456, 42807), (684, 28538), (722, 27036), (751, 25992), (1083, 18024), (1368, 14269), (1444, 13518), (1502, 12996), (2166, 9012), (2253, 8664), (2888, 6759), (3004, 6498), (3249, 6008), (4332, 4506)]