19909602

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 45714240

約数和(自身を除く): 25804638

約数列:

[1, 2, 3, 6, 9, 18, 29, 43, 58, 86, 87, 129, 174, 258, 261, 387, 522, 774, 887, 1247, 1774, 2494, 2661, 3741, 5322, 7482, 7983, 11223, 15966, 22446, 25723, 38141, 51446, 76282, 77169, 114423, 154338, 228846, 231507, 343269, 463014, 686538, 1106089, 2212178, 3318267, 6636534, 9954801, 19909602]

約数ペア:

[(1, 19909602), (2, 9954801), (3, 6636534), (6, 3318267), (9, 2212178), (18, 1106089), (29, 686538), (43, 463014), (58, 343269), (86, 231507), (87, 228846), (129, 154338), (174, 114423), (258, 77169), (261, 76282), (387, 51446), (522, 38141), (774, 25723), (887, 22446), (1247, 15966), (1774, 11223), (2494, 7983), (2661, 7482), (3741, 5322)]