19319940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:789

約数の個数: 72

約数和(自身を含む): 59026968

約数和(自身を除く): 39707028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 593, 724, 905, 1086, 1186, 1629, 1779, 1810, 2172, 2372, 2715, 2965, 3258, 3558, 3620, 5337, 5430, 5930, 6516, 7116, 8145, 8895, 10674, 10860, 11860, 16290, 17790, 21348, 26685, 32580, 35580, 53370, 106740, 107333, 214666, 321999, 429332, 536665, 643998, 965997, 1073330, 1287996, 1609995, 1931994, 2146660, 3219990, 3863988, 4829985, 6439980, 9659970, 19319940]

約数ペア:

[(1, 19319940), (2, 9659970), (3, 6439980), (4, 4829985), (5, 3863988), (6, 3219990), (9, 2146660), (10, 1931994), (12, 1609995), (15, 1287996), (18, 1073330), (20, 965997), (30, 643998), (36, 536665), (45, 429332), (60, 321999), (90, 214666), (180, 107333), (181, 106740), (362, 53370), (543, 35580), (593, 32580), (724, 26685), (905, 21348), (1086, 17790), (1186, 16290), (1629, 11860), (1779, 10860), (1810, 10674), (2172, 8895), (2372, 8145), (2715, 7116), (2965, 6516), (3258, 5930), (3558, 5430), (3620, 5337)]