19635425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 26355456

約数和(自身を除く): 6720031

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 983, 1175, 3995, 4915, 16711, 19975, 24575, 46201, 83555, 231005, 417775, 785417, 1155025, 3927085, 19635425]

約数ペア:

[(1, 19635425), (5, 3927085), (17, 1155025), (25, 785417), (47, 417775), (85, 231005), (235, 83555), (425, 46201), (799, 24575), (983, 19975), (1175, 16711), (3995, 4915)]