17927820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 54853344

約数和(自身を除く): 36925524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 727, 822, 1233, 1370, 1454, 1644, 2055, 2181, 2466, 2740, 2908, 3635, 4110, 4362, 4932, 6165, 6543, 7270, 8220, 8724, 10905, 12330, 13086, 14540, 21810, 24660, 26172, 32715, 43620, 65430, 99599, 130860, 199198, 298797, 398396, 497995, 597594, 896391, 995990, 1195188, 1493985, 1792782, 1991980, 2987970, 3585564, 4481955, 5975940, 8963910, 17927820]

約数ペア:

[(1, 17927820), (2, 8963910), (3, 5975940), (4, 4481955), (5, 3585564), (6, 2987970), (9, 1991980), (10, 1792782), (12, 1493985), (15, 1195188), (18, 995990), (20, 896391), (30, 597594), (36, 497995), (45, 398396), (60, 298797), (90, 199198), (137, 130860), (180, 99599), (274, 65430), (411, 43620), (548, 32715), (685, 26172), (727, 24660), (822, 21810), (1233, 14540), (1370, 13086), (1454, 12330), (1644, 10905), (2055, 8724), (2181, 8220), (2466, 7270), (2740, 6543), (2908, 6165), (3635, 4932), (4110, 4362)]