19171992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 55238400

約数和(自身を除く): 36066408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 139, 168, 278, 417, 556, 821, 834, 973, 1112, 1642, 1668, 1946, 2463, 2919, 3284, 3336, 3892, 4926, 5747, 5838, 6568, 7784, 9852, 11494, 11676, 17241, 19704, 22988, 23352, 34482, 45976, 68964, 114119, 137928, 228238, 342357, 456476, 684714, 798833, 912952, 1369428, 1597666, 2396499, 2738856, 3195332, 4792998, 6390664, 9585996, 19171992]

約数ペア:

[(1, 19171992), (2, 9585996), (3, 6390664), (4, 4792998), (6, 3195332), (7, 2738856), (8, 2396499), (12, 1597666), (14, 1369428), (21, 912952), (24, 798833), (28, 684714), (42, 456476), (56, 342357), (84, 228238), (139, 137928), (168, 114119), (278, 68964), (417, 45976), (556, 34482), (821, 23352), (834, 22988), (973, 19704), (1112, 17241), (1642, 11676), (1668, 11494), (1946, 9852), (2463, 7784), (2919, 6568), (3284, 5838), (3336, 5747), (3892, 4926)]