19422925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 26623296

約数和(自身を除く): 7200371

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 1987, 9775, 9935, 33779, 45701, 49675, 168895, 228505, 776917, 844475, 1142525, 3884585, 19422925]

約数ペア:

[(1, 19422925), (5, 3884585), (17, 1142525), (23, 844475), (25, 776917), (85, 228505), (115, 168895), (391, 49675), (425, 45701), (575, 33779), (1955, 9935), (1987, 9775)]