18830595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 35659008

約数和(自身を除く): 16828413

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 131, 185, 259, 393, 555, 655, 777, 917, 1295, 1369, 1965, 2751, 3885, 4107, 4585, 4847, 6845, 9583, 13755, 14541, 20535, 24235, 28749, 33929, 47915, 72705, 101787, 143745, 169645, 179339, 508935, 538017, 896695, 1255373, 2690085, 3766119, 6276865, 18830595]

約数ペア:

[(1, 18830595), (3, 6276865), (5, 3766119), (7, 2690085), (15, 1255373), (21, 896695), (35, 538017), (37, 508935), (105, 179339), (111, 169645), (131, 143745), (185, 101787), (259, 72705), (393, 47915), (555, 33929), (655, 28749), (777, 24235), (917, 20535), (1295, 14541), (1369, 13755), (1965, 9583), (2751, 6845), (3885, 4847), (4107, 4585)]