19475984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2699}}^1$

素因数の和:2759

約数の個数: 40

約数和(自身を含む): 42184800

約数和(自身を除く): 22708816

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2699, 3608, 5398, 7216, 10796, 21592, 29689, 43184, 59378, 110659, 118756, 221318, 237512, 442636, 475024, 885272, 1217249, 1770544, 2434498, 4868996, 9737992, 19475984]

約数ペア:

[(1, 19475984), (2, 9737992), (4, 4868996), (8, 2434498), (11, 1770544), (16, 1217249), (22, 885272), (41, 475024), (44, 442636), (82, 237512), (88, 221318), (164, 118756), (176, 110659), (328, 59378), (451, 43184), (656, 29689), (902, 21592), (1804, 10796), (2699, 7216), (3608, 5398)]