18411723

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 30831840

約数和(自身を除く): 12420117

約数列:

[1, 3, 9, 11, 29, 33, 53, 87, 99, 121, 159, 261, 319, 363, 477, 583, 957, 1089, 1331, 1537, 1749, 2871, 3509, 3993, 4611, 5247, 6413, 10527, 11979, 13833, 16907, 19239, 31581, 38599, 50721, 57717, 70543, 115797, 152163, 185977, 211629, 347391, 557931, 634887, 1673793, 2045747, 6137241, 18411723]

約数ペア:

[(1, 18411723), (3, 6137241), (9, 2045747), (11, 1673793), (29, 634887), (33, 557931), (53, 347391), (87, 211629), (99, 185977), (121, 152163), (159, 115797), (261, 70543), (319, 57717), (363, 50721), (477, 38599), (583, 31581), (957, 19239), (1089, 16907), (1331, 13833), (1537, 11979), (1749, 10527), (2871, 6413), (3509, 5247), (3993, 4611)]