19120671

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 29304000

約数和(自身を除く): 10183329

約数列:

[1, 3, 9, 27, 73, 89, 109, 219, 267, 327, 657, 801, 981, 1971, 2403, 2943, 6497, 7957, 9701, 19491, 23871, 29103, 58473, 71613, 87309, 175419, 214839, 261927, 708173, 2124519, 6373557, 19120671]

約数ペア:

[(1, 19120671), (3, 6373557), (9, 2124519), (27, 708173), (73, 261927), (89, 214839), (109, 175419), (219, 87309), (267, 71613), (327, 58473), (657, 29103), (801, 23871), (981, 19491), (1971, 9701), (2403, 7957), (2943, 6497)]