19970082

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 48737052

約数和(自身を除く): 28766970

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 53, 66, 99, 106, 121, 159, 173, 198, 242, 318, 346, 363, 477, 519, 583, 726, 954, 1038, 1089, 1166, 1557, 1749, 1903, 2178, 3114, 3498, 3806, 5247, 5709, 6413, 9169, 10494, 11418, 12826, 17127, 18338, 19239, 20933, 27507, 34254, 38478, 41866, 55014, 57717, 62799, 82521, 100859, 115434, 125598, 165042, 188397, 201718, 302577, 376794, 605154, 907731, 1109449, 1815462, 2218898, 3328347, 6656694, 9985041, 19970082]

約数ペア:

[(1, 19970082), (2, 9985041), (3, 6656694), (6, 3328347), (9, 2218898), (11, 1815462), (18, 1109449), (22, 907731), (33, 605154), (53, 376794), (66, 302577), (99, 201718), (106, 188397), (121, 165042), (159, 125598), (173, 115434), (198, 100859), (242, 82521), (318, 62799), (346, 57717), (363, 55014), (477, 41866), (519, 38478), (583, 34254), (726, 27507), (954, 20933), (1038, 19239), (1089, 18338), (1166, 17127), (1557, 12826), (1749, 11418), (1903, 10494), (2178, 9169), (3114, 6413), (3498, 5709), (3806, 5247)]