18004970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 34361280

約数和(自身を除く): 16356310

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 193, 386, 491, 965, 982, 1930, 2455, 3667, 4910, 7334, 9329, 18335, 18658, 36670, 46645, 93290, 94763, 189526, 473815, 947630, 1800497, 3600994, 9002485, 18004970]

約数ペア:

[(1, 18004970), (2, 9002485), (5, 3600994), (10, 1800497), (19, 947630), (38, 473815), (95, 189526), (190, 94763), (193, 93290), (386, 46645), (491, 36670), (965, 18658), (982, 18335), (1930, 9329), (2455, 7334), (3667, 4910)]