18892005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 33533568

約数和(自身を除く): 14641563

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 305, 671, 915, 1877, 2013, 3355, 5631, 9385, 10065, 20647, 28155, 61941, 103235, 114497, 309705, 343491, 572485, 1259467, 1717455, 3778401, 6297335, 18892005]

約数ペア:

[(1, 18892005), (3, 6297335), (5, 3778401), (11, 1717455), (15, 1259467), (33, 572485), (55, 343491), (61, 309705), (165, 114497), (183, 103235), (305, 61941), (671, 28155), (915, 20647), (1877, 10065), (2013, 9385), (3355, 5631)]