19117610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 36460800

約数和(自身を除く): 17343190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 239, 421, 478, 842, 1195, 2105, 2390, 4210, 4541, 7999, 9082, 15998, 22705, 39995, 45410, 79990, 100619, 201238, 503095, 1006190, 1911761, 3823522, 9558805, 19117610]

約数ペア:

[(1, 19117610), (2, 9558805), (5, 3823522), (10, 1911761), (19, 1006190), (38, 503095), (95, 201238), (190, 100619), (239, 79990), (421, 45410), (478, 39995), (842, 22705), (1195, 15998), (2105, 9082), (2390, 7999), (4210, 4541)]