18430038

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 31336362

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 23, 27, 33, 38, 46, 54, 57, 66, 69, 71, 99, 114, 138, 142, 171, 198, 207, 209, 213, 253, 297, 342, 414, 418, 426, 437, 506, 513, 594, 621, 627, 639, 759, 781, 874, 1026, 1242, 1254, 1278, 1311, 1349, 1518, 1562, 1633, 1881, 1917, 2277, 2343, 2622, 2698, 3266, 3762, 3834, 3933, 4047, 4554, 4686, 4807, 4899, 5643, 6831, 7029, 7866, 8094, 9614, 9798, 11286, 11799, 12141, 13662, 14058, 14421, 14697, 14839, 17963, 21087, 23598, 24282, 28842, 29394, 29678, 31027, 35926, 36423, 42174, 43263, 44091, 44517, 53889, 62054, 72846, 86526, 88182, 89034, 93081, 107778, 129789, 133551, 161667, 186162, 259578, 267102, 279243, 323334, 341297, 400653, 485001, 558486, 682594, 801306, 837729, 970002, 1023891, 1675458, 2047782, 3071673, 6143346, 9215019, 18430038]

約数ペア:

[(1, 18430038), (2, 9215019), (3, 6143346), (6, 3071673), (9, 2047782), (11, 1675458), (18, 1023891), (19, 970002), (22, 837729), (23, 801306), (27, 682594), (33, 558486), (38, 485001), (46, 400653), (54, 341297), (57, 323334), (66, 279243), (69, 267102), (71, 259578), (99, 186162), (114, 161667), (138, 133551), (142, 129789), (171, 107778), (198, 93081), (207, 89034), (209, 88182), (213, 86526), (253, 72846), (297, 62054), (342, 53889), (414, 44517), (418, 44091), (426, 43263), (437, 42174), (506, 36423), (513, 35926), (594, 31027), (621, 29678), (627, 29394), (639, 28842), (759, 24282), (781, 23598), (874, 21087), (1026, 17963), (1242, 14839), (1254, 14697), (1278, 14421), (1311, 14058), (1349, 13662), (1518, 12141), (1562, 11799), (1633, 11286), (1881, 9798), (1917, 9614), (2277, 8094), (2343, 7866), (2622, 7029), (2698, 6831), (3266, 5643), (3762, 4899), (3834, 4807), (3933, 4686), (4047, 4554)]