18439440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{76831}}^1$

素因数の和:76847

約数の個数: 40

約数和(自身を含む): 57163008

約数和(自身を除く): 38723568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 76831, 153662, 230493, 307324, 384155, 460986, 614648, 768310, 921972, 1152465, 1229296, 1536620, 1843944, 2304930, 3073240, 3687888, 4609860, 6146480, 9219720, 18439440]

約数ペア:

[(1, 18439440), (2, 9219720), (3, 6146480), (4, 4609860), (5, 3687888), (6, 3073240), (8, 2304930), (10, 1843944), (12, 1536620), (15, 1229296), (16, 1152465), (20, 921972), (24, 768310), (30, 614648), (40, 460986), (48, 384155), (60, 307324), (80, 230493), (120, 153662), (240, 76831)]