19910456

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 39204000

約数和(自身を除く): 19293544

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 241, 449, 482, 898, 964, 1796, 1928, 3592, 5543, 10327, 11086, 20654, 22172, 41308, 44344, 82616, 108209, 216418, 432836, 865672, 2488807, 4977614, 9955228, 19910456]

約数ペア:

[(1, 19910456), (2, 9955228), (4, 4977614), (8, 2488807), (23, 865672), (46, 432836), (92, 216418), (184, 108209), (241, 82616), (449, 44344), (482, 41308), (898, 22172), (964, 20654), (1796, 11086), (1928, 10327), (3592, 5543)]