19191844

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1753}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 42432768

約数和(自身を除く): 23240924

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1753, 2737, 3506, 5474, 7012, 10948, 12271, 24542, 29801, 40319, 49084, 59602, 80638, 119204, 161276, 208607, 282233, 417214, 564466, 685423, 834428, 1128932, 1370846, 2741692, 4797961, 9595922, 19191844]

約数ペア:

[(1, 19191844), (2, 9595922), (4, 4797961), (7, 2741692), (14, 1370846), (17, 1128932), (23, 834428), (28, 685423), (34, 564466), (46, 417214), (68, 282233), (92, 208607), (119, 161276), (161, 119204), (238, 80638), (322, 59602), (391, 49084), (476, 40319), (644, 29801), (782, 24542), (1564, 12271), (1753, 10948), (2737, 7012), (3506, 5474)]