18617485

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 23051952

約数和(自身を除く): 4434467

約数列:

[1, 5, 41, 197, 205, 461, 985, 2305, 8077, 18901, 40385, 90817, 94505, 454085, 3723497, 18617485]

約数ペア:

[(1, 18617485), (5, 3723497), (41, 454085), (197, 94505), (205, 90817), (461, 40385), (985, 18901), (2305, 8077)]