19476556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 39029760

約数和(自身を除く): 19553204

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 109, 124, 131, 218, 262, 341, 436, 524, 682, 1199, 1364, 1441, 2398, 2882, 3379, 4061, 4796, 5764, 6758, 8122, 13516, 14279, 16244, 28558, 37169, 44671, 57116, 74338, 89342, 148676, 157069, 178684, 314138, 442649, 628276, 885298, 1770596, 4869139, 9738278, 19476556]

約数ペア:

[(1, 19476556), (2, 9738278), (4, 4869139), (11, 1770596), (22, 885298), (31, 628276), (44, 442649), (62, 314138), (109, 178684), (124, 157069), (131, 148676), (218, 89342), (262, 74338), (341, 57116), (436, 44671), (524, 37169), (682, 28558), (1199, 16244), (1364, 14279), (1441, 13516), (2398, 8122), (2882, 6758), (3379, 5764), (4061, 4796)]