19930040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38327}}^1$

素因数の和:38351

約数の個数: 32

約数和(自身を含む): 48293280

約数和(自身を除く): 28363240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38327, 76654, 153308, 191635, 306616, 383270, 498251, 766540, 996502, 1533080, 1993004, 2491255, 3986008, 4982510, 9965020, 19930040]

約数ペア:

[(1, 19930040), (2, 9965020), (4, 4982510), (5, 3986008), (8, 2491255), (10, 1993004), (13, 1533080), (20, 996502), (26, 766540), (40, 498251), (52, 383270), (65, 306616), (104, 191635), (130, 153308), (260, 76654), (520, 38327)]