18086402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 29937600

約数和(自身を除く): 11851198

約数列:

[1, 2, 17, 34, 43, 86, 89, 139, 178, 278, 731, 1462, 1513, 2363, 3026, 3827, 4726, 5977, 7654, 11954, 12371, 24742, 65059, 101609, 130118, 203218, 210307, 420614, 531953, 1063906, 9043201, 18086402]

約数ペア:

[(1, 18086402), (2, 9043201), (17, 1063906), (34, 531953), (43, 420614), (86, 210307), (89, 203218), (139, 130118), (178, 101609), (278, 65059), (731, 24742), (1462, 12371), (1513, 11954), (2363, 7654), (3026, 5977), (3827, 4726)]