19031428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 36892800

約数和(自身を除く): 17861372

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 169, 188, 338, 599, 611, 676, 1198, 1222, 2396, 2444, 7787, 7943, 15574, 15886, 28153, 31148, 31772, 56306, 101231, 112612, 202462, 365989, 404924, 731978, 1463956, 4757857, 9515714, 19031428]

約数ペア:

[(1, 19031428), (2, 9515714), (4, 4757857), (13, 1463956), (26, 731978), (47, 404924), (52, 365989), (94, 202462), (169, 112612), (188, 101231), (338, 56306), (599, 31772), (611, 31148), (676, 28153), (1198, 15886), (1222, 15574), (2396, 7943), (2444, 7787)]