19157888

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{1543}}^1$

素因数の和:1654

約数の個数: 32

約数和(自身を含む): 38584560

約数和(自身を除く): 19426672

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1543, 1552, 3086, 3104, 6172, 6208, 12344, 12416, 24688, 49376, 98752, 149671, 197504, 299342, 598684, 1197368, 2394736, 4789472, 9578944, 19157888]

約数ペア:

[(1, 19157888), (2, 9578944), (4, 4789472), (8, 2394736), (16, 1197368), (32, 598684), (64, 299342), (97, 197504), (128, 149671), (194, 98752), (388, 49376), (776, 24688), (1543, 12416), (1552, 12344), (3086, 6208), (3104, 6172)]