18984264

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:950

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 32907576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 213, 284, 312, 426, 568, 852, 857, 923, 1704, 1714, 1846, 2571, 2769, 3428, 3692, 5142, 5538, 6856, 7384, 10284, 11076, 11141, 20568, 22152, 22282, 33423, 44564, 60847, 66846, 89128, 121694, 133692, 182541, 243388, 267384, 365082, 486776, 730164, 791011, 1460328, 1582022, 2373033, 3164044, 4746066, 6328088, 9492132, 18984264]

約数ペア:

[(1, 18984264), (2, 9492132), (3, 6328088), (4, 4746066), (6, 3164044), (8, 2373033), (12, 1582022), (13, 1460328), (24, 791011), (26, 730164), (39, 486776), (52, 365082), (71, 267384), (78, 243388), (104, 182541), (142, 133692), (156, 121694), (213, 89128), (284, 66846), (312, 60847), (426, 44564), (568, 33423), (852, 22282), (857, 22152), (923, 20568), (1704, 11141), (1714, 11076), (1846, 10284), (2571, 7384), (2769, 6856), (3428, 5538), (3692, 5142)]