19301264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 39699840

約数和(自身を除く): 20398576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 173, 304, 346, 367, 692, 734, 1384, 1468, 2768, 2936, 3287, 5872, 6574, 6973, 13148, 13946, 26296, 27892, 52592, 55784, 63491, 111568, 126982, 253964, 507928, 1015856, 1206329, 2412658, 4825316, 9650632, 19301264]

約数ペア:

[(1, 19301264), (2, 9650632), (4, 4825316), (8, 2412658), (16, 1206329), (19, 1015856), (38, 507928), (76, 253964), (152, 126982), (173, 111568), (304, 63491), (346, 55784), (367, 52592), (692, 27892), (734, 26296), (1384, 13946), (1468, 13148), (2768, 6973), (2936, 6574), (3287, 5872)]