19839875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 27675648

約数和(自身を除く): 7835773

約数列:

[1, 5, 11, 25, 47, 55, 125, 235, 275, 307, 517, 1175, 1375, 1535, 2585, 3377, 5875, 7675, 12925, 14429, 16885, 38375, 64625, 72145, 84425, 158719, 360725, 422125, 793595, 1803625, 3967975, 19839875]

約数ペア:

[(1, 19839875), (5, 3967975), (11, 1803625), (25, 793595), (47, 422125), (55, 360725), (125, 158719), (235, 84425), (275, 72145), (307, 64625), (517, 38375), (1175, 16885), (1375, 14429), (1535, 12925), (2585, 7675), (3377, 5875)]