19443568

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 39283200

約数和(自身を除く): 19839632

約数列:

[1, 2, 4, 8, 16, 43, 59, 86, 118, 172, 236, 344, 472, 479, 688, 944, 958, 1916, 2537, 3832, 5074, 7664, 10148, 20296, 20597, 28261, 40592, 41194, 56522, 82388, 113044, 164776, 226088, 329552, 452176, 1215223, 2430446, 4860892, 9721784, 19443568]

約数ペア:

[(1, 19443568), (2, 9721784), (4, 4860892), (8, 2430446), (16, 1215223), (43, 452176), (59, 329552), (86, 226088), (118, 164776), (172, 113044), (236, 82388), (344, 56522), (472, 41194), (479, 40592), (688, 28261), (944, 20597), (958, 20296), (1916, 10148), (2537, 7664), (3832, 5074)]