18815742

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 72

約数和(自身を含む): 45936072

約数和(自身を除く): 27120330

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 53, 66, 99, 106, 121, 159, 163, 198, 242, 318, 326, 363, 477, 489, 583, 726, 954, 978, 1089, 1166, 1467, 1749, 1793, 2178, 2934, 3498, 3586, 5247, 5379, 6413, 8639, 10494, 10758, 12826, 16137, 17278, 19239, 19723, 25917, 32274, 38478, 39446, 51834, 57717, 59169, 77751, 95029, 115434, 118338, 155502, 177507, 190058, 285087, 355014, 570174, 855261, 1045319, 1710522, 2090638, 3135957, 6271914, 9407871, 18815742]

約数ペア:

[(1, 18815742), (2, 9407871), (3, 6271914), (6, 3135957), (9, 2090638), (11, 1710522), (18, 1045319), (22, 855261), (33, 570174), (53, 355014), (66, 285087), (99, 190058), (106, 177507), (121, 155502), (159, 118338), (163, 115434), (198, 95029), (242, 77751), (318, 59169), (326, 57717), (363, 51834), (477, 39446), (489, 38478), (583, 32274), (726, 25917), (954, 19723), (978, 19239), (1089, 17278), (1166, 16137), (1467, 12826), (1749, 10758), (1793, 10494), (2178, 8639), (2934, 6413), (3498, 5379), (3586, 5247)]