19780458

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 40849920

約数和(自身を除く): 21069462

約数列:

[1, 2, 3, 6, 59, 71, 118, 142, 177, 213, 354, 426, 787, 1574, 2361, 4189, 4722, 8378, 12567, 25134, 46433, 55877, 92866, 111754, 139299, 167631, 278598, 335262, 3296743, 6593486, 9890229, 19780458]

約数ペア:

[(1, 19780458), (2, 9890229), (3, 6593486), (6, 3296743), (59, 335262), (71, 278598), (118, 167631), (142, 139299), (177, 111754), (213, 92866), (354, 55877), (426, 46433), (787, 25134), (1574, 12567), (2361, 8378), (4189, 4722)]