19802313

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4289}}^1$

素因数の和:4323

約数の個数: 24

約数和(自身を含む): 31231200

約数和(自身を除く): 11428887

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4289, 4617, 12867, 38601, 81491, 115803, 244473, 347409, 733419, 1042227, 2200257, 6600771, 19802313]

約数ペア:

[(1, 19802313), (3, 6600771), (9, 2200257), (19, 1042227), (27, 733419), (57, 347409), (81, 244473), (171, 115803), (243, 81491), (513, 38601), (1539, 12867), (4289, 4617)]