19724639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1471}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 22892544

約数和(自身を除く): 3167905

約数列:

[1, 11, 23, 53, 253, 583, 1219, 1471, 13409, 16181, 33833, 77963, 372163, 857593, 1793149, 19724639]

約数ペア:

[(1, 19724639), (11, 1793149), (23, 857593), (53, 372163), (253, 77963), (583, 33833), (1219, 16181), (1471, 13409)]