19440652

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 44126208

約数和(自身を除く): 24685556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 127, 142, 154, 196, 254, 284, 308, 497, 508, 539, 781, 889, 994, 1078, 1397, 1562, 1778, 1988, 2156, 2794, 3124, 3479, 3556, 5467, 5588, 6223, 6958, 9017, 9779, 10934, 12446, 13916, 18034, 19558, 21868, 24892, 36068, 38269, 39116, 63119, 68453, 76538, 99187, 126238, 136906, 153076, 198374, 252476, 273812, 396748, 441833, 694309, 883666, 1388618, 1767332, 2777236, 4860163, 9720326, 19440652]

約数ペア:

[(1, 19440652), (2, 9720326), (4, 4860163), (7, 2777236), (11, 1767332), (14, 1388618), (22, 883666), (28, 694309), (44, 441833), (49, 396748), (71, 273812), (77, 252476), (98, 198374), (127, 153076), (142, 136906), (154, 126238), (196, 99187), (254, 76538), (284, 68453), (308, 63119), (497, 39116), (508, 38269), (539, 36068), (781, 24892), (889, 21868), (994, 19558), (1078, 18034), (1397, 13916), (1562, 12446), (1778, 10934), (1988, 9779), (2156, 9017), (2794, 6958), (3124, 6223), (3479, 5588), (3556, 5467)]