19087971

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11324829

約数列:

[1, 3, 7, 21, 31, 93, 109, 217, 269, 327, 651, 763, 807, 1883, 2289, 3379, 5649, 8339, 10137, 23653, 25017, 29321, 58373, 70959, 87963, 175119, 205247, 615741, 908951, 2726853, 6362657, 19087971]

約数ペア:

[(1, 19087971), (3, 6362657), (7, 2726853), (21, 908951), (31, 615741), (93, 205247), (109, 175119), (217, 87963), (269, 70959), (327, 58373), (651, 29321), (763, 25017), (807, 23653), (1883, 10137), (2289, 8339), (3379, 5649)]