19968216

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{26839}}^1$

素因数の和:26879

約数の個数: 32

約数和(自身を含む): 51532800

約数和(自身を除く): 31564584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 26839, 53678, 80517, 107356, 161034, 214712, 322068, 644136, 832009, 1664018, 2496027, 3328036, 4992054, 6656072, 9984108, 19968216]

約数ペア:

[(1, 19968216), (2, 9984108), (3, 6656072), (4, 4992054), (6, 3328036), (8, 2496027), (12, 1664018), (24, 832009), (31, 644136), (62, 322068), (93, 214712), (124, 161034), (186, 107356), (248, 80517), (372, 53678), (744, 26839)]