18955690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3454

約数の個数: 32

約数和(自身を含む): 37610496

約数和(自身を除く): 18654806

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3391, 5590, 6782, 16955, 33910, 44083, 88166, 145813, 220415, 291626, 440830, 729065, 1458130, 1895569, 3791138, 9477845, 18955690]

約数ペア:

[(1, 18955690), (2, 9477845), (5, 3791138), (10, 1895569), (13, 1458130), (26, 729065), (43, 440830), (65, 291626), (86, 220415), (130, 145813), (215, 88166), (430, 44083), (559, 33910), (1118, 16955), (2795, 6782), (3391, 5590)]