18814590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{599}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 30325410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 349, 599, 698, 1047, 1198, 1745, 1797, 2094, 2995, 3141, 3490, 3594, 5235, 5391, 5990, 6282, 8985, 10470, 10782, 15705, 17970, 26955, 31410, 53910, 209051, 418102, 627153, 1045255, 1254306, 1881459, 2090510, 3135765, 3762918, 6271530, 9407295, 18814590]

約数ペア:

[(1, 18814590), (2, 9407295), (3, 6271530), (5, 3762918), (6, 3135765), (9, 2090510), (10, 1881459), (15, 1254306), (18, 1045255), (30, 627153), (45, 418102), (90, 209051), (349, 53910), (599, 31410), (698, 26955), (1047, 17970), (1198, 15705), (1745, 10782), (1797, 10470), (2094, 8985), (2995, 6282), (3141, 5990), (3490, 5391), (3594, 5235)]