18475208020

素因数分解:

$2^2\times 5^1\times {\mathrm{37663}}^1\times {\mathrm{24527}}^1$

素因数の和:62199

約数の個数: 24

約数和(自身を含む): 38800548864

約数和(自身を除く): 20325340844

約数列:

[1, 2, 4, 5, 10, 20, 24527, 37663, 49054, 75326, 98108, 122635, 150652, 188315, 245270, 376630, 490540, 753260, 923760401, 1847520802, 3695041604, 4618802005, 9237604010, 18475208020]

約数ペア:

[(1, 18475208020), (2, 9237604010), (4, 4618802005), (5, 3695041604), (10, 1847520802), (20, 923760401), (24527, 753260), (37663, 490540), (49054, 376630), (75326, 245270), (98108, 188315), (122635, 150652)]