19793880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54983}}^1$

素因数の和:55000

約数の個数: 48

約数和(自身を含む): 64331280

約数和(自身を除く): 44537400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54983, 109966, 164949, 219932, 274915, 329898, 439864, 494847, 549830, 659796, 824745, 989694, 1099660, 1319592, 1649490, 1979388, 2199320, 2474235, 3298980, 3958776, 4948470, 6597960, 9896940, 19793880]

約数ペア:

[(1, 19793880), (2, 9896940), (3, 6597960), (4, 4948470), (5, 3958776), (6, 3298980), (8, 2474235), (9, 2199320), (10, 1979388), (12, 1649490), (15, 1319592), (18, 1099660), (20, 989694), (24, 824745), (30, 659796), (36, 549830), (40, 494847), (45, 439864), (60, 329898), (72, 274915), (90, 219932), (120, 164949), (180, 109966), (360, 54983)]