19874300025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{27739}}^1$

素因数の和:28026

約数の個数: 48

約数和(自身を含む): 33805961280

約数和(自身を除く): 13931661255

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 233, 615, 699, 1025, 1165, 3075, 3495, 5825, 9553, 17475, 27739, 28659, 47765, 83217, 138695, 143295, 238825, 416085, 693475, 716475, 1137299, 2080425, 3411897, 5686495, 6463187, 17059485, 19389561, 28432475, 32315935, 85297425, 96947805, 161579675, 264990667, 484739025, 794972001, 1324953335, 3974860005, 6624766675, 19874300025]

約数ペア:

[(1, 19874300025), (3, 6624766675), (5, 3974860005), (15, 1324953335), (25, 794972001), (41, 484739025), (75, 264990667), (123, 161579675), (205, 96947805), (233, 85297425), (615, 32315935), (699, 28432475), (1025, 19389561), (1165, 17059485), (3075, 6463187), (3495, 5686495), (5825, 3411897), (9553, 2080425), (17475, 1137299), (27739, 716475), (28659, 693475), (47765, 416085), (83217, 238825), (138695, 143295)]