19108856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4273}}^1$

素因数の和:4335

約数の個数: 32

約数和(自身を含む): 39491760

約数和(自身を除く): 20382904

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4273, 4472, 8546, 17092, 34184, 55549, 111098, 183739, 222196, 367478, 444392, 734956, 1469912, 2388607, 4777214, 9554428, 19108856]

約数ペア:

[(1, 19108856), (2, 9554428), (4, 4777214), (8, 2388607), (13, 1469912), (26, 734956), (43, 444392), (52, 367478), (86, 222196), (104, 183739), (172, 111098), (344, 55549), (559, 34184), (1118, 17092), (2236, 8546), (4273, 4472)]