18229113

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 32206720

約数和(自身を除く): 13977607

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 97, 133, 157, 171, 291, 399, 471, 679, 873, 1099, 1197, 1413, 1843, 2037, 2983, 3297, 5529, 6111, 8949, 9891, 12901, 15229, 16587, 20881, 26847, 38703, 45687, 62643, 106603, 116109, 137061, 187929, 289351, 319809, 868053, 959427, 2025457, 2604159, 6076371, 18229113]

約数ペア:

[(1, 18229113), (3, 6076371), (7, 2604159), (9, 2025457), (19, 959427), (21, 868053), (57, 319809), (63, 289351), (97, 187929), (133, 137061), (157, 116109), (171, 106603), (291, 62643), (399, 45687), (471, 38703), (679, 26847), (873, 20881), (1099, 16587), (1197, 15229), (1413, 12901), (1843, 9891), (2037, 8949), (2983, 6111), (3297, 5529)]