19654144

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1710

約数の個数: 40

約数和(自身を含む): 41001840

約数和(自身を除く): 21347696

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 1669, 2944, 3338, 5888, 6676, 11776, 13352, 26704, 38387, 53408, 76774, 106816, 153548, 213632, 307096, 427264, 614192, 854528, 1228384, 2456768, 4913536, 9827072, 19654144]

約数ペア:

[(1, 19654144), (2, 9827072), (4, 4913536), (8, 2456768), (16, 1228384), (23, 854528), (32, 614192), (46, 427264), (64, 307096), (92, 213632), (128, 153548), (184, 106816), (256, 76774), (368, 53408), (512, 38387), (736, 26704), (1472, 13352), (1669, 11776), (2944, 6676), (3338, 5888)]