19891578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3457}}^1$

素因数の和:3606

約数の個数: 32

約数和(自身を含む): 45811584

約数和(自身を除く): 25920006

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 3457, 5754, 6914, 10371, 20742, 24199, 48398, 72597, 145194, 473609, 947218, 1420827, 2841654, 3315263, 6630526, 9945789, 19891578]

約数ペア:

[(1, 19891578), (2, 9945789), (3, 6630526), (6, 3315263), (7, 2841654), (14, 1420827), (21, 947218), (42, 473609), (137, 145194), (274, 72597), (411, 48398), (822, 24199), (959, 20742), (1918, 10371), (2877, 6914), (3457, 5754)]