18892765

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 23187456

約数和(自身を除く): 4294691

約数列:

[1, 5, 73, 191, 271, 365, 955, 1355, 13943, 19783, 51761, 69715, 98915, 258805, 3778553, 18892765]

約数ペア:

[(1, 18892765), (5, 3778553), (73, 258805), (191, 98915), (271, 69715), (365, 51761), (955, 19783), (1355, 13943)]