19370680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9883}}^1$

素因数の和:9908

約数の個数: 48

約数和(自身を含む): 50704920

約数和(自身を除く): 31334240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9883, 19766, 39532, 49415, 69181, 79064, 98830, 138362, 197660, 276724, 345905, 395320, 484267, 553448, 691810, 968534, 1383620, 1937068, 2421335, 2767240, 3874136, 4842670, 9685340, 19370680]

約数ペア:

[(1, 19370680), (2, 9685340), (4, 4842670), (5, 3874136), (7, 2767240), (8, 2421335), (10, 1937068), (14, 1383620), (20, 968534), (28, 691810), (35, 553448), (40, 484267), (49, 395320), (56, 345905), (70, 276724), (98, 197660), (140, 138362), (196, 98830), (245, 79064), (280, 69181), (392, 49415), (490, 39532), (980, 19766), (1960, 9883)]