18809488

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 38106936

約数和(自身を除く): 19297448

約数列:

[1, 2, 4, 8, 16, 41, 53, 82, 106, 164, 212, 328, 424, 541, 656, 848, 1082, 2164, 2173, 4328, 4346, 8656, 8692, 17384, 22181, 28673, 34768, 44362, 57346, 88724, 114692, 177448, 229384, 354896, 458768, 1175593, 2351186, 4702372, 9404744, 18809488]

約数ペア:

[(1, 18809488), (2, 9404744), (4, 4702372), (8, 2351186), (16, 1175593), (41, 458768), (53, 354896), (82, 229384), (106, 177448), (164, 114692), (212, 88724), (328, 57346), (424, 44362), (541, 34768), (656, 28673), (848, 22181), (1082, 17384), (2164, 8692), (2173, 8656), (4328, 4346)]