18895989

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 10871691

約数列:

[1, 3, 7, 21, 59, 101, 151, 177, 303, 413, 453, 707, 1057, 1239, 2121, 3171, 5959, 8909, 15251, 17877, 26727, 41713, 45753, 62363, 106757, 125139, 187089, 320271, 899809, 2699427, 6298663, 18895989]

約数ペア:

[(1, 18895989), (3, 6298663), (7, 2699427), (21, 899809), (59, 320271), (101, 187089), (151, 125139), (177, 106757), (303, 62363), (413, 45753), (453, 41713), (707, 26727), (1057, 17877), (1239, 15251), (2121, 8909), (3171, 5959)]