19280618

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 36345024

約数和(自身を除く): 17064406

約数列:

[1, 2, 7, 14, 17, 34, 49, 71, 98, 119, 142, 163, 238, 326, 497, 833, 994, 1141, 1207, 1666, 2282, 2414, 2771, 3479, 5542, 6958, 7987, 8449, 11573, 15974, 16898, 19397, 23146, 38794, 59143, 81011, 118286, 135779, 162022, 196741, 271558, 393482, 567077, 1134154, 1377187, 2754374, 9640309, 19280618]

約数ペア:

[(1, 19280618), (2, 9640309), (7, 2754374), (14, 1377187), (17, 1134154), (34, 567077), (49, 393482), (71, 271558), (98, 196741), (119, 162022), (142, 135779), (163, 118286), (238, 81011), (326, 59143), (497, 38794), (833, 23146), (994, 19397), (1141, 16898), (1207, 15974), (1666, 11573), (2282, 8449), (2414, 7987), (2771, 6958), (3479, 5542)]