19429648

素因数分解:

$2^4\times 7^1\times {\mathrm{283}}^1\times {\mathrm{613}}^1$

素因数の和:911

約数の個数: 40

約数和(自身を含む): 43245248

約数和(自身を除く): 23815600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 283, 566, 613, 1132, 1226, 1981, 2264, 2452, 3962, 4291, 4528, 4904, 7924, 8582, 9808, 15848, 17164, 31696, 34328, 68656, 173479, 346958, 693916, 1214353, 1387832, 2428706, 2775664, 4857412, 9714824, 19429648]

約数ペア:

[(1, 19429648), (2, 9714824), (4, 4857412), (7, 2775664), (8, 2428706), (14, 1387832), (16, 1214353), (28, 693916), (56, 346958), (112, 173479), (283, 68656), (566, 34328), (613, 31696), (1132, 17164), (1226, 15848), (1981, 9808), (2264, 8582), (2452, 7924), (3962, 4904), (4291, 4528)]