19379928

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 50371200

約数和(自身を除く): 30991272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 89, 129, 172, 178, 211, 258, 267, 344, 356, 422, 516, 534, 633, 712, 844, 1032, 1068, 1266, 1688, 2136, 2532, 3827, 5064, 7654, 9073, 11481, 15308, 18146, 18779, 22962, 27219, 30616, 36292, 37558, 45924, 54438, 56337, 72584, 75116, 91848, 108876, 112674, 150232, 217752, 225348, 450696, 807497, 1614994, 2422491, 3229988, 4844982, 6459976, 9689964, 19379928]

約数ペア:

[(1, 19379928), (2, 9689964), (3, 6459976), (4, 4844982), (6, 3229988), (8, 2422491), (12, 1614994), (24, 807497), (43, 450696), (86, 225348), (89, 217752), (129, 150232), (172, 112674), (178, 108876), (211, 91848), (258, 75116), (267, 72584), (344, 56337), (356, 54438), (422, 45924), (516, 37558), (534, 36292), (633, 30616), (712, 27219), (844, 22962), (1032, 18779), (1068, 18146), (1266, 15308), (1688, 11481), (2136, 9073), (2532, 7654), (3827, 5064)]