19919085

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1579}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 33028320

約数和(自身を除く): 13109235

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 841, 1579, 2523, 4205, 4737, 7895, 12615, 23685, 45791, 137373, 228955, 686865, 1327939, 3983817, 6639695, 19919085]

約数ペア:

[(1, 19919085), (3, 6639695), (5, 3983817), (15, 1327939), (29, 686865), (87, 228955), (145, 137373), (435, 45791), (841, 23685), (1579, 12615), (2523, 7895), (4205, 4737)]