18013149

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 34856640

約数和(自身を除く): 16843491

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 121, 139, 153, 187, 231, 357, 363, 417, 561, 693, 847, 973, 1071, 1089, 1251, 1309, 1529, 1683, 2057, 2363, 2541, 2919, 3927, 4587, 6171, 7089, 7623, 8757, 10703, 11781, 13761, 14399, 16541, 16819, 18513, 21267, 25993, 32109, 43197, 49623, 50457, 77979, 96327, 117733, 129591, 148869, 151371, 181951, 233937, 285923, 353199, 545853, 857769, 1059597, 1637559, 2001461, 2573307, 6004383, 18013149]

約数ペア:

[(1, 18013149), (3, 6004383), (7, 2573307), (9, 2001461), (11, 1637559), (17, 1059597), (21, 857769), (33, 545853), (51, 353199), (63, 285923), (77, 233937), (99, 181951), (119, 151371), (121, 148869), (139, 129591), (153, 117733), (187, 96327), (231, 77979), (357, 50457), (363, 49623), (417, 43197), (561, 32109), (693, 25993), (847, 21267), (973, 18513), (1071, 16819), (1089, 16541), (1251, 14399), (1309, 13761), (1529, 11781), (1683, 10703), (2057, 8757), (2363, 7623), (2541, 7089), (2919, 6171), (3927, 4587)]