19492075

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 25230528

約数和(自身を除く): 5738453

約数列:

[1, 5, 25, 47, 53, 235, 265, 313, 1175, 1325, 1565, 2491, 7825, 12455, 14711, 16589, 62275, 73555, 82945, 367775, 414725, 779683, 3898415, 19492075]

約数ペア:

[(1, 19492075), (5, 3898415), (25, 779683), (47, 414725), (53, 367775), (235, 82945), (265, 73555), (313, 62275), (1175, 16589), (1325, 14711), (1565, 12455), (2491, 7825)]