19477796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 38911488

約数和(自身を除く): 19433692

約数列:

[1, 2, 4, 13, 26, 31, 43, 52, 62, 86, 124, 172, 281, 403, 559, 562, 806, 1118, 1124, 1333, 1612, 2236, 2666, 3653, 5332, 7306, 8711, 12083, 14612, 17329, 17422, 24166, 34658, 34844, 48332, 69316, 113243, 157079, 226486, 314158, 374573, 452972, 628316, 749146, 1498292, 4869449, 9738898, 19477796]

約数ペア:

[(1, 19477796), (2, 9738898), (4, 4869449), (13, 1498292), (26, 749146), (31, 628316), (43, 452972), (52, 374573), (62, 314158), (86, 226486), (124, 157079), (172, 113243), (281, 69316), (403, 48332), (559, 34844), (562, 34658), (806, 24166), (1118, 17422), (1124, 17329), (1333, 14612), (1612, 12083), (2236, 8711), (2666, 7306), (3653, 5332)]