19675184

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1149

約数の個数: 40

約数和(自身を含む): 40823280

約数和(自身を除く): 21148096

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1061, 1159, 2122, 2318, 4244, 4636, 8488, 9272, 16976, 18544, 20159, 40318, 64721, 80636, 129442, 161272, 258884, 322544, 517768, 1035536, 1229699, 2459398, 4918796, 9837592, 19675184]

約数ペア:

[(1, 19675184), (2, 9837592), (4, 4918796), (8, 2459398), (16, 1229699), (19, 1035536), (38, 517768), (61, 322544), (76, 258884), (122, 161272), (152, 129442), (244, 80636), (304, 64721), (488, 40318), (976, 20159), (1061, 18544), (1159, 16976), (2122, 9272), (2318, 8488), (4244, 4636)]