17980998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2029}}^1$

素因数の和:2252

約数の個数: 32

約数和(自身を含む): 41314560

約数和(自身を除く): 23333562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2029, 2954, 4058, 4431, 6087, 8862, 12174, 14203, 28406, 42609, 85218, 428119, 856238, 1284357, 2568714, 2996833, 5993666, 8990499, 17980998]

約数ペア:

[(1, 17980998), (2, 8990499), (3, 5993666), (6, 2996833), (7, 2568714), (14, 1284357), (21, 856238), (42, 428119), (211, 85218), (422, 42609), (633, 28406), (1266, 14203), (1477, 12174), (2029, 8862), (2954, 6087), (4058, 4431)]