18298620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{367}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 55857984

約数和(自身を除く): 37559364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 277, 367, 554, 734, 831, 1101, 1108, 1385, 1468, 1662, 1835, 2202, 2493, 2770, 3303, 3324, 3670, 4155, 4404, 4986, 5505, 5540, 6606, 7340, 8310, 9972, 11010, 12465, 13212, 16515, 16620, 22020, 24930, 33030, 49860, 66060, 101659, 203318, 304977, 406636, 508295, 609954, 914931, 1016590, 1219908, 1524885, 1829862, 2033180, 3049770, 3659724, 4574655, 6099540, 9149310, 18298620]

約数ペア:

[(1, 18298620), (2, 9149310), (3, 6099540), (4, 4574655), (5, 3659724), (6, 3049770), (9, 2033180), (10, 1829862), (12, 1524885), (15, 1219908), (18, 1016590), (20, 914931), (30, 609954), (36, 508295), (45, 406636), (60, 304977), (90, 203318), (180, 101659), (277, 66060), (367, 49860), (554, 33030), (734, 24930), (831, 22020), (1101, 16620), (1108, 16515), (1385, 13212), (1468, 12465), (1662, 11010), (1835, 9972), (2202, 8310), (2493, 7340), (2770, 6606), (3303, 5540), (3324, 5505), (3670, 4986), (4155, 4404)]