19787145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6079}}^1$

素因数の和:6125

約数の個数: 32

約数和(自身を含む): 37355520

約数和(自身を除く): 17568375

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6079, 18237, 30395, 42553, 91185, 127659, 188449, 212765, 565347, 638295, 942245, 1319143, 2826735, 3957429, 6595715, 19787145]

約数ペア:

[(1, 19787145), (3, 6595715), (5, 3957429), (7, 2826735), (15, 1319143), (21, 942245), (31, 638295), (35, 565347), (93, 212765), (105, 188449), (155, 127659), (217, 91185), (465, 42553), (651, 30395), (1085, 18237), (3255, 6079)]