19687415883

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1\times {\mathrm{6779}}^1$

素因数の和:7351

約数の個数: 32

約数和(自身を含む): 27493171200

約数和(自身を除く): 7805755317

約数列:

[1, 3, 43, 47, 129, 141, 479, 1437, 2021, 6063, 6779, 20337, 20597, 22513, 61791, 67539, 291497, 318613, 874491, 955839, 968059, 2904177, 3247141, 9741423, 13700359, 41101077, 139627063, 152615627, 418881189, 457846881, 6562471961, 19687415883]

約数ペア:

[(1, 19687415883), (3, 6562471961), (43, 457846881), (47, 418881189), (129, 152615627), (141, 139627063), (479, 41101077), (1437, 13700359), (2021, 9741423), (6063, 3247141), (6779, 2904177), (20337, 968059), (20597, 955839), (22513, 874491), (61791, 318613), (67539, 291497)]