17985996

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 96

約数和(自身を含む): 54817280

約数和(自身を除く): 36831284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 84, 108, 111, 126, 148, 189, 222, 252, 259, 333, 378, 444, 518, 643, 666, 756, 777, 999, 1036, 1286, 1332, 1554, 1929, 1998, 2331, 2572, 3108, 3858, 3996, 4501, 4662, 5787, 6993, 7716, 9002, 9324, 11574, 13503, 13986, 17361, 18004, 23148, 23791, 27006, 27972, 34722, 40509, 47582, 54012, 69444, 71373, 81018, 95164, 121527, 142746, 162036, 166537, 214119, 243054, 285492, 333074, 428238, 486108, 499611, 642357, 666148, 856476, 999222, 1284714, 1498833, 1998444, 2569428, 2997666, 4496499, 5995332, 8992998, 17985996]

約数ペア:

[(1, 17985996), (2, 8992998), (3, 5995332), (4, 4496499), (6, 2997666), (7, 2569428), (9, 1998444), (12, 1498833), (14, 1284714), (18, 999222), (21, 856476), (27, 666148), (28, 642357), (36, 499611), (37, 486108), (42, 428238), (54, 333074), (63, 285492), (74, 243054), (84, 214119), (108, 166537), (111, 162036), (126, 142746), (148, 121527), (189, 95164), (222, 81018), (252, 71373), (259, 69444), (333, 54012), (378, 47582), (444, 40509), (518, 34722), (643, 27972), (666, 27006), (756, 23791), (777, 23148), (999, 18004), (1036, 17361), (1286, 13986), (1332, 13503), (1554, 11574), (1929, 9324), (1998, 9002), (2331, 7716), (2572, 6993), (3108, 5787), (3858, 4662), (3996, 4501)]