18619305

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1861}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 13556055

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 1861, 2001, 3335, 5583, 9305, 10005, 27915, 42803, 53969, 128409, 161907, 214015, 269845, 642045, 809535, 1241287, 3723861, 6206435, 18619305]

約数ペア:

[(1, 18619305), (3, 6206435), (5, 3723861), (15, 1241287), (23, 809535), (29, 642045), (69, 269845), (87, 214015), (115, 161907), (145, 128409), (345, 53969), (435, 42803), (667, 27915), (1861, 10005), (2001, 9305), (3335, 5583)]