18539460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 56749056

約数和(自身を除く): 38209596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 811, 1143, 1270, 1524, 1622, 1905, 2286, 2433, 2540, 3244, 3810, 4055, 4572, 4866, 5715, 7299, 7620, 8110, 9732, 11430, 12165, 14598, 16220, 22860, 24330, 29196, 36495, 48660, 72990, 102997, 145980, 205994, 308991, 411988, 514985, 617982, 926973, 1029970, 1235964, 1544955, 1853946, 2059940, 3089910, 3707892, 4634865, 6179820, 9269730, 18539460]

約数ペア:

[(1, 18539460), (2, 9269730), (3, 6179820), (4, 4634865), (5, 3707892), (6, 3089910), (9, 2059940), (10, 1853946), (12, 1544955), (15, 1235964), (18, 1029970), (20, 926973), (30, 617982), (36, 514985), (45, 411988), (60, 308991), (90, 205994), (127, 145980), (180, 102997), (254, 72990), (381, 48660), (508, 36495), (635, 29196), (762, 24330), (811, 22860), (1143, 16220), (1270, 14598), (1524, 12165), (1622, 11430), (1905, 9732), (2286, 8110), (2433, 7620), (2540, 7299), (3244, 5715), (3810, 4866), (4055, 4572)]