19141911

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 31549440

約数和(自身を除く): 12407529

約数列:

[1, 3, 9, 19, 23, 31, 57, 69, 93, 157, 171, 207, 279, 437, 471, 589, 713, 1311, 1413, 1767, 2139, 2983, 3611, 3933, 4867, 5301, 6417, 8949, 10833, 13547, 14601, 26847, 32499, 40641, 43803, 68609, 92473, 111941, 121923, 205827, 277419, 335823, 617481, 832257, 1007469, 2126879, 6380637, 19141911]

約数ペア:

[(1, 19141911), (3, 6380637), (9, 2126879), (19, 1007469), (23, 832257), (31, 617481), (57, 335823), (69, 277419), (93, 205827), (157, 121923), (171, 111941), (207, 92473), (279, 68609), (437, 43803), (471, 40641), (589, 32499), (713, 26847), (1311, 14601), (1413, 13547), (1767, 10833), (2139, 8949), (2983, 6417), (3611, 5301), (3933, 4867)]