18904980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315083}}^1$

素因数の和:315095

約数の個数: 24

約数和(自身を含む): 52934112

約数和(自身を除く): 34029132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315083, 630166, 945249, 1260332, 1575415, 1890498, 3150830, 3780996, 4726245, 6301660, 9452490, 18904980]

約数ペア:

[(1, 18904980), (2, 9452490), (3, 6301660), (4, 4726245), (5, 3780996), (6, 3150830), (10, 1890498), (12, 1575415), (15, 1260332), (20, 945249), (30, 630166), (60, 315083)]