19904982

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1487}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 41997312

約数和(自身を除く): 22092330

約数列:

[1, 2, 3, 6, 23, 46, 69, 97, 138, 194, 291, 582, 1487, 2231, 2974, 4461, 4462, 6693, 8922, 13386, 34201, 68402, 102603, 144239, 205206, 288478, 432717, 865434, 3317497, 6634994, 9952491, 19904982]

約数ペア:

[(1, 19904982), (2, 9952491), (3, 6634994), (6, 3317497), (23, 865434), (46, 432717), (69, 288478), (97, 205206), (138, 144239), (194, 102603), (291, 68402), (582, 34201), (1487, 13386), (2231, 8922), (2974, 6693), (4461, 4462)]