19835126

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 32736000

約数和(自身を除く): 12900874

約数列:

[1, 2, 19, 38, 43, 61, 86, 122, 199, 398, 817, 1159, 1634, 2318, 2623, 3781, 5246, 7562, 8557, 12139, 17114, 24278, 49837, 99674, 162583, 230641, 325166, 461282, 521977, 1043954, 9917563, 19835126]

約数ペア:

[(1, 19835126), (2, 9917563), (19, 1043954), (38, 521977), (43, 461282), (61, 325166), (86, 230641), (122, 162583), (199, 99674), (398, 49837), (817, 24278), (1159, 17114), (1634, 12139), (2318, 8557), (2623, 7562), (3781, 5246)]