19027371

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 30336768

約数和(自身を除く): 11309397

約数列:

[1, 3, 11, 23, 33, 43, 53, 69, 121, 129, 159, 253, 363, 473, 583, 759, 989, 1219, 1419, 1749, 2279, 2783, 2967, 3657, 5203, 6413, 6837, 8349, 10879, 13409, 15609, 19239, 25069, 32637, 40227, 52417, 75207, 119669, 147499, 157251, 275759, 359007, 442497, 576587, 827277, 1729761, 6342457, 19027371]

約数ペア:

[(1, 19027371), (3, 6342457), (11, 1729761), (23, 827277), (33, 576587), (43, 442497), (53, 359007), (69, 275759), (121, 157251), (129, 147499), (159, 119669), (253, 75207), (363, 52417), (473, 40227), (583, 32637), (759, 25069), (989, 19239), (1219, 15609), (1419, 13409), (1749, 10879), (2279, 8349), (2783, 6837), (2967, 6413), (3657, 5203)]