19831856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:701

約数の個数: 40

約数和(自身を含む): 42171408

約数和(自身を除く): 22339552

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 281, 401, 562, 802, 1124, 1604, 2248, 3091, 3208, 4411, 4496, 6182, 6416, 8822, 12364, 17644, 24728, 35288, 49456, 70576, 112681, 225362, 450724, 901448, 1239491, 1802896, 2478982, 4957964, 9915928, 19831856]

約数ペア:

[(1, 19831856), (2, 9915928), (4, 4957964), (8, 2478982), (11, 1802896), (16, 1239491), (22, 901448), (44, 450724), (88, 225362), (176, 112681), (281, 70576), (401, 49456), (562, 35288), (802, 24728), (1124, 17644), (1604, 12364), (2248, 8822), (3091, 6416), (3208, 6182), (4411, 4496)]