19989162

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{911}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 46096128

約数和(自身を除く): 26106966

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 53, 69, 106, 138, 159, 207, 318, 414, 477, 911, 954, 1219, 1822, 2438, 2733, 3657, 5466, 7314, 8199, 10971, 16398, 20953, 21942, 41906, 48283, 62859, 96566, 125718, 144849, 188577, 289698, 377154, 434547, 869094, 1110509, 2221018, 3331527, 6663054, 9994581, 19989162]

約数ペア:

[(1, 19989162), (2, 9994581), (3, 6663054), (6, 3331527), (9, 2221018), (18, 1110509), (23, 869094), (46, 434547), (53, 377154), (69, 289698), (106, 188577), (138, 144849), (159, 125718), (207, 96566), (318, 62859), (414, 48283), (477, 41906), (911, 21942), (954, 20953), (1219, 16398), (1822, 10971), (2438, 8199), (2733, 7314), (3657, 5466)]