18953095

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8418425

約数列:

[1, 5, 7, 29, 35, 71, 145, 203, 263, 355, 497, 1015, 1315, 1841, 2059, 2485, 7627, 9205, 10295, 14413, 18673, 38135, 53389, 72065, 93365, 130711, 266945, 541517, 653555, 2707585, 3790619, 18953095]

約数ペア:

[(1, 18953095), (5, 3790619), (7, 2707585), (29, 653555), (35, 541517), (71, 266945), (145, 130711), (203, 93365), (263, 72065), (355, 53389), (497, 38135), (1015, 18673), (1315, 14413), (1841, 10295), (2059, 9205), (2485, 7627)]