18431640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{51199}}^1$

素因数の和:51216

約数の個数: 48

約数和(自身を含む): 59904000

約数和(自身を除く): 41472360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 51199, 102398, 153597, 204796, 255995, 307194, 409592, 460791, 511990, 614388, 767985, 921582, 1023980, 1228776, 1535970, 1843164, 2047960, 2303955, 3071940, 3686328, 4607910, 6143880, 9215820, 18431640]

約数ペア:

[(1, 18431640), (2, 9215820), (3, 6143880), (4, 4607910), (5, 3686328), (6, 3071940), (8, 2303955), (9, 2047960), (10, 1843164), (12, 1535970), (15, 1228776), (18, 1023980), (20, 921582), (24, 767985), (30, 614388), (36, 511990), (40, 460791), (45, 409592), (60, 307194), (72, 255995), (90, 204796), (120, 153597), (180, 102398), (360, 51199)]