16689990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{7621}}^1$

素因数の和:7704

約数の個数: 32

約数和(自身を含む): 40610016

約数和(自身を除く): 23920026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 7621, 15242, 22863, 38105, 45726, 76210, 114315, 228630, 556333, 1112666, 1668999, 2781665, 3337998, 5563330, 8344995, 16689990]

約数ペア:

[(1, 16689990), (2, 8344995), (3, 5563330), (5, 3337998), (6, 2781665), (10, 1668999), (15, 1112666), (30, 556333), (73, 228630), (146, 114315), (219, 76210), (365, 45726), (438, 38105), (730, 22863), (1095, 15242), (2190, 7621)]