19802973

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{463}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 27060480

約数和(自身を除く): 7257507

約数列:

[1, 3, 53, 159, 269, 463, 807, 1389, 14257, 24539, 42771, 73617, 124547, 373641, 6600991, 19802973]

約数ペア:

[(1, 19802973), (3, 6600991), (53, 373641), (159, 124547), (269, 73617), (463, 42771), (807, 24539), (1389, 14257)]