17984778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{937}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 41241984

約数和(自身を除く): 23257206

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 457, 914, 937, 1371, 1874, 2742, 2811, 3199, 5622, 6398, 6559, 9597, 13118, 19194, 19677, 39354, 428209, 856418, 1284627, 2569254, 2997463, 5994926, 8992389, 17984778]

約数ペア:

[(1, 17984778), (2, 8992389), (3, 5994926), (6, 2997463), (7, 2569254), (14, 1284627), (21, 856418), (42, 428209), (457, 39354), (914, 19677), (937, 19194), (1371, 13118), (1874, 9597), (2742, 6559), (2811, 6398), (3199, 5622)]