19952375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 27156480

約数和(自身を除く): 7204105

約数列:

[1, 5, 19, 25, 31, 95, 125, 155, 271, 475, 589, 775, 1355, 2375, 2945, 3875, 5149, 6775, 8401, 14725, 25745, 33875, 42005, 73625, 128725, 159619, 210025, 643625, 798095, 1050125, 3990475, 19952375]

約数ペア:

[(1, 19952375), (5, 3990475), (19, 1050125), (25, 798095), (31, 643625), (95, 210025), (125, 159619), (155, 128725), (271, 73625), (475, 42005), (589, 33875), (775, 25745), (1355, 14725), (2375, 8401), (2945, 6775), (3875, 5149)]