19336720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18593}}^1$

素因数の和:18619

約数の個数: 40

約数和(自身を含む): 48418776

約数和(自身を除く): 29082056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18593, 37186, 74372, 92965, 148744, 185930, 241709, 297488, 371860, 483418, 743720, 966836, 1208545, 1487440, 1933672, 2417090, 3867344, 4834180, 9668360, 19336720]

約数ペア:

[(1, 19336720), (2, 9668360), (4, 4834180), (5, 3867344), (8, 2417090), (10, 1933672), (13, 1487440), (16, 1208545), (20, 966836), (26, 743720), (40, 483418), (52, 371860), (65, 297488), (80, 241709), (104, 185930), (130, 148744), (208, 92965), (260, 74372), (520, 37186), (1040, 18593)]