18521874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8647}}^1$

素因数の和:8679

約数の個数: 48

約数和(自身を含む): 48567168

約数和(自身を除く): 30045294

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 8647, 17294, 25941, 51882, 60529, 77823, 121058, 146999, 155646, 181587, 293998, 363174, 440997, 544761, 881994, 1028993, 1089522, 1322991, 2057986, 2645982, 3086979, 6173958, 9260937, 18521874]

約数ペア:

[(1, 18521874), (2, 9260937), (3, 6173958), (6, 3086979), (7, 2645982), (9, 2057986), (14, 1322991), (17, 1089522), (18, 1028993), (21, 881994), (34, 544761), (42, 440997), (51, 363174), (63, 293998), (102, 181587), (119, 155646), (126, 146999), (153, 121058), (238, 77823), (306, 60529), (357, 51882), (714, 25941), (1071, 17294), (2142, 8647)]