19243376

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9181}}^1$

素因数の和:9320

約数の個数: 20

約数和(自身を含む): 37572744

約数和(自身を除く): 18329368

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9181, 18362, 36724, 73448, 146896, 1202711, 2405422, 4810844, 9621688, 19243376]

約数ペア:

[(1, 19243376), (2, 9621688), (4, 4810844), (8, 2405422), (16, 1202711), (131, 146896), (262, 73448), (524, 36724), (1048, 18362), (2096, 9181)]