19773275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 25498368

約数和(自身を除く): 5725093

約数列:

[1, 5, 25, 41, 101, 191, 205, 505, 955, 1025, 2525, 4141, 4775, 7831, 19291, 20705, 39155, 96455, 103525, 195775, 482275, 790931, 3954655, 19773275]

約数ペア:

[(1, 19773275), (5, 3954655), (25, 790931), (41, 482275), (101, 195775), (191, 103525), (205, 96455), (505, 39155), (955, 20705), (1025, 19291), (2525, 7831), (4141, 4775)]