19450904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3299}}^1$

素因数の和:3383

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 20941096

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3299, 5896, 6598, 13196, 26392, 36289, 72578, 145156, 221033, 290312, 442066, 884132, 1768264, 2431363, 4862726, 9725452, 19450904]

約数ペア:

[(1, 19450904), (2, 9725452), (4, 4862726), (8, 2431363), (11, 1768264), (22, 884132), (44, 442066), (67, 290312), (88, 221033), (134, 145156), (268, 72578), (536, 36289), (737, 26392), (1474, 13196), (2948, 6598), (3299, 5896)]