16940508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 44375184

約数和(自身を除く): 27434676

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 113, 124, 156, 186, 226, 339, 372, 403, 452, 678, 806, 961, 1209, 1356, 1469, 1612, 1922, 2418, 2883, 2938, 3503, 3844, 4407, 4836, 5766, 5876, 7006, 8814, 10509, 11532, 12493, 14012, 17628, 21018, 24986, 37479, 42036, 45539, 49972, 74958, 91078, 108593, 136617, 149916, 182156, 217186, 273234, 325779, 434372, 546468, 651558, 1303116, 1411709, 2823418, 4235127, 5646836, 8470254, 16940508]

約数ペア:

[(1, 16940508), (2, 8470254), (3, 5646836), (4, 4235127), (6, 2823418), (12, 1411709), (13, 1303116), (26, 651558), (31, 546468), (39, 434372), (52, 325779), (62, 273234), (78, 217186), (93, 182156), (113, 149916), (124, 136617), (156, 108593), (186, 91078), (226, 74958), (339, 49972), (372, 45539), (403, 42036), (452, 37479), (678, 24986), (806, 21018), (961, 17628), (1209, 14012), (1356, 12493), (1469, 11532), (1612, 10509), (1922, 8814), (2418, 7006), (2883, 5876), (2938, 5766), (3503, 4836), (3844, 4407)]