19337520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 60397920

約数和(自身を除く): 41060400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 409, 591, 788, 818, 985, 1182, 1227, 1576, 1636, 1970, 2045, 2364, 2454, 2955, 3152, 3272, 3940, 4090, 4728, 4908, 5910, 6135, 6544, 7880, 8180, 9456, 9816, 11820, 12270, 15760, 16360, 19632, 23640, 24540, 32720, 47280, 49080, 80573, 98160, 161146, 241719, 322292, 402865, 483438, 644584, 805730, 966876, 1208595, 1289168, 1611460, 1933752, 2417190, 3222920, 3867504, 4834380, 6445840, 9668760, 19337520]

約数ペア:

[(1, 19337520), (2, 9668760), (3, 6445840), (4, 4834380), (5, 3867504), (6, 3222920), (8, 2417190), (10, 1933752), (12, 1611460), (15, 1289168), (16, 1208595), (20, 966876), (24, 805730), (30, 644584), (40, 483438), (48, 402865), (60, 322292), (80, 241719), (120, 161146), (197, 98160), (240, 80573), (394, 49080), (409, 47280), (591, 32720), (788, 24540), (818, 23640), (985, 19632), (1182, 16360), (1227, 15760), (1576, 12270), (1636, 11820), (1970, 9816), (2045, 9456), (2364, 8180), (2454, 7880), (2955, 6544), (3152, 6135), (3272, 5910), (3940, 4908), (4090, 4728)]