19664584

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 18437816

約数列:

[1, 2, 4, 8, 41, 82, 164, 167, 328, 334, 359, 668, 718, 1336, 1436, 2872, 6847, 13694, 14719, 27388, 29438, 54776, 58876, 59953, 117752, 119906, 239812, 479624, 2458073, 4916146, 9832292, 19664584]

約数ペア:

[(1, 19664584), (2, 9832292), (4, 4916146), (8, 2458073), (41, 479624), (82, 239812), (164, 119906), (167, 117752), (328, 59953), (334, 58876), (359, 54776), (668, 29438), (718, 27388), (1336, 14719), (1436, 13694), (2872, 6847)]