19506920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25667}}^1$

素因数の和:25697

約数の個数: 32

約数和(自身を含む): 46202400

約数和(自身を除く): 26695480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25667, 51334, 102668, 128335, 205336, 256670, 487673, 513340, 975346, 1026680, 1950692, 2438365, 3901384, 4876730, 9753460, 19506920]

約数ペア:

[(1, 19506920), (2, 9753460), (4, 4876730), (5, 3901384), (8, 2438365), (10, 1950692), (19, 1026680), (20, 975346), (38, 513340), (40, 487673), (76, 256670), (95, 205336), (152, 128335), (190, 102668), (380, 51334), (760, 25667)]