18787888

素因数分解:

$2^4\times 7^1\times {\mathrm{271}}^1\times {\mathrm{619}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 41822720

約数和(自身を除く): 23034832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 271, 542, 619, 1084, 1238, 1897, 2168, 2476, 3794, 4333, 4336, 4952, 7588, 8666, 9904, 15176, 17332, 30352, 34664, 69328, 167749, 335498, 670996, 1174243, 1341992, 2348486, 2683984, 4696972, 9393944, 18787888]

約数ペア:

[(1, 18787888), (2, 9393944), (4, 4696972), (7, 2683984), (8, 2348486), (14, 1341992), (16, 1174243), (28, 670996), (56, 335498), (112, 167749), (271, 69328), (542, 34664), (619, 30352), (1084, 17332), (1238, 15176), (1897, 9904), (2168, 8666), (2476, 7588), (3794, 4952), (4333, 4336)]