17721342

素因数分解:

$2^1\times 3^4\times {\mathrm{109391}}^1$

素因数の和:109405

約数の個数: 20

約数和(自身を含む): 39709296

約数和(自身を除く): 21987954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 109391, 218782, 328173, 656346, 984519, 1969038, 2953557, 5907114, 8860671, 17721342]

約数ペア:

[(1, 17721342), (2, 8860671), (3, 5907114), (6, 2953557), (9, 1969038), (18, 984519), (27, 656346), (54, 328173), (81, 218782), (162, 109391)]