19373264

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 39164160

約数和(自身を除く): 19790896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 281, 496, 556, 562, 1112, 1124, 2224, 2248, 4309, 4496, 8618, 8711, 17236, 17422, 34472, 34844, 39059, 68944, 69688, 78118, 139376, 156236, 312472, 624944, 1210829, 2421658, 4843316, 9686632, 19373264]

約数ペア:

[(1, 19373264), (2, 9686632), (4, 4843316), (8, 2421658), (16, 1210829), (31, 624944), (62, 312472), (124, 156236), (139, 139376), (248, 78118), (278, 69688), (281, 68944), (496, 39059), (556, 34844), (562, 34472), (1112, 17422), (1124, 17236), (2224, 8711), (2248, 8618), (4309, 4496)]