19643688

素因数分解:

$2^3\times 3^3\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 54960000

約数和(自身を除く): 35316312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 199, 216, 398, 457, 597, 796, 914, 1194, 1371, 1592, 1791, 1828, 2388, 2742, 3582, 3656, 4113, 4776, 5373, 5484, 7164, 8226, 10746, 10968, 12339, 14328, 16452, 21492, 24678, 32904, 42984, 49356, 90943, 98712, 181886, 272829, 363772, 545658, 727544, 818487, 1091316, 1636974, 2182632, 2455461, 3273948, 4910922, 6547896, 9821844, 19643688]

約数ペア:

[(1, 19643688), (2, 9821844), (3, 6547896), (4, 4910922), (6, 3273948), (8, 2455461), (9, 2182632), (12, 1636974), (18, 1091316), (24, 818487), (27, 727544), (36, 545658), (54, 363772), (72, 272829), (108, 181886), (199, 98712), (216, 90943), (398, 49356), (457, 42984), (597, 32904), (796, 24678), (914, 21492), (1194, 16452), (1371, 14328), (1592, 12339), (1791, 10968), (1828, 10746), (2388, 8226), (2742, 7164), (3582, 5484), (3656, 5373), (4113, 4776)]