18721296

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 58496256

約数和(自身を除く): 39774960

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 53, 66, 72, 88, 99, 106, 132, 144, 159, 176, 198, 212, 223, 264, 318, 396, 424, 446, 477, 528, 583, 636, 669, 792, 848, 892, 954, 1166, 1272, 1338, 1584, 1749, 1784, 1908, 2007, 2332, 2453, 2544, 2676, 3498, 3568, 3816, 4014, 4664, 4906, 5247, 5352, 6996, 7359, 7632, 8028, 9328, 9812, 10494, 10704, 11819, 13992, 14718, 16056, 19624, 20988, 22077, 23638, 27984, 29436, 32112, 35457, 39248, 41976, 44154, 47276, 58872, 70914, 83952, 88308, 94552, 106371, 117744, 130009, 141828, 176616, 189104, 212742, 260018, 283656, 353232, 390027, 425484, 520036, 567312, 780054, 850968, 1040072, 1170081, 1560108, 1701936, 2080144, 2340162, 3120216, 4680324, 6240432, 9360648, 18721296]

約数ペア:

[(1, 18721296), (2, 9360648), (3, 6240432), (4, 4680324), (6, 3120216), (8, 2340162), (9, 2080144), (11, 1701936), (12, 1560108), (16, 1170081), (18, 1040072), (22, 850968), (24, 780054), (33, 567312), (36, 520036), (44, 425484), (48, 390027), (53, 353232), (66, 283656), (72, 260018), (88, 212742), (99, 189104), (106, 176616), (132, 141828), (144, 130009), (159, 117744), (176, 106371), (198, 94552), (212, 88308), (223, 83952), (264, 70914), (318, 58872), (396, 47276), (424, 44154), (446, 41976), (477, 39248), (528, 35457), (583, 32112), (636, 29436), (669, 27984), (792, 23638), (848, 22077), (892, 20988), (954, 19624), (1166, 16056), (1272, 14718), (1338, 13992), (1584, 11819), (1749, 10704), (1784, 10494), (1908, 9812), (2007, 9328), (2332, 8028), (2453, 7632), (2544, 7359), (2676, 6996), (3498, 5352), (3568, 5247), (3816, 4906), (4014, 4664)]