19278554

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 31781376

約数和(自身を除く): 12502822

約数列:

[1, 2, 23, 37, 46, 47, 74, 94, 241, 482, 851, 1081, 1702, 1739, 2162, 3478, 5543, 8917, 11086, 11327, 17834, 22654, 39997, 79994, 205091, 260521, 410182, 419099, 521042, 838198, 9639277, 19278554]

約数ペア:

[(1, 19278554), (2, 9639277), (23, 838198), (37, 521042), (46, 419099), (47, 410182), (74, 260521), (94, 205091), (241, 79994), (482, 39997), (851, 22654), (1081, 17834), (1702, 11327), (1739, 11086), (2162, 8917), (3478, 5543)]