19890492

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3793}}^1$

素因数の和:3842

約数の個数: 48

約数和(自身を含む): 50991360

約数和(自身を除く): 31100868

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 3793, 5244, 7586, 11379, 15172, 22758, 45516, 72067, 87239, 144134, 174478, 216201, 261717, 288268, 348956, 432402, 523434, 864804, 1046868, 1657541, 3315082, 4972623, 6630164, 9945246, 19890492]

約数ペア:

[(1, 19890492), (2, 9945246), (3, 6630164), (4, 4972623), (6, 3315082), (12, 1657541), (19, 1046868), (23, 864804), (38, 523434), (46, 432402), (57, 348956), (69, 288268), (76, 261717), (92, 216201), (114, 174478), (138, 144134), (228, 87239), (276, 72067), (437, 45516), (874, 22758), (1311, 15172), (1748, 11379), (2622, 7586), (3793, 5244)]