18403916

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{383}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 33191424

約数和(自身を除く): 14787508

約数列:

[1, 2, 4, 41, 82, 164, 293, 383, 586, 766, 1172, 1532, 12013, 15703, 24026, 31406, 48052, 62812, 112219, 224438, 448876, 4600979, 9201958, 18403916]

約数ペア:

[(1, 18403916), (2, 9201958), (4, 4600979), (41, 448876), (82, 224438), (164, 112219), (293, 62812), (383, 48052), (586, 31406), (766, 24026), (1172, 15703), (1532, 12013)]