18074420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9931}}^1$

素因数の和:9960

約数の個数: 48

約数和(自身を含む): 46720128

約数和(自身を除く): 28645708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 9931, 19862, 39724, 49655, 69517, 99310, 129103, 139034, 198620, 258206, 278068, 347585, 516412, 645515, 695170, 903721, 1291030, 1390340, 1807442, 2582060, 3614884, 4518605, 9037210, 18074420]

約数ペア:

[(1, 18074420), (2, 9037210), (4, 4518605), (5, 3614884), (7, 2582060), (10, 1807442), (13, 1390340), (14, 1291030), (20, 903721), (26, 695170), (28, 645515), (35, 516412), (52, 347585), (65, 278068), (70, 258206), (91, 198620), (130, 139034), (140, 129103), (182, 99310), (260, 69517), (364, 49655), (455, 39724), (910, 19862), (1820, 9931)]