19162760

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{839}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 24080440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 839, 1142, 1678, 2284, 2855, 3356, 4195, 4568, 5710, 6712, 8390, 11420, 16780, 22840, 33560, 479069, 958138, 1916276, 2395345, 3832552, 4790690, 9581380, 19162760]

約数ペア:

[(1, 19162760), (2, 9581380), (4, 4790690), (5, 3832552), (8, 2395345), (10, 1916276), (20, 958138), (40, 479069), (571, 33560), (839, 22840), (1142, 16780), (1678, 11420), (2284, 8390), (2855, 6712), (3356, 5710), (4195, 4568)]