19137987

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2447}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 30551040

約数和(自身を除く): 11413053

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2447, 2607, 7341, 7821, 22023, 26917, 80751, 193313, 242253, 579939, 1739817, 2126443, 6379329, 19137987]

約数ペア:

[(1, 19137987), (3, 6379329), (9, 2126443), (11, 1739817), (33, 579939), (79, 242253), (99, 193313), (237, 80751), (711, 26917), (869, 22023), (2447, 7821), (2607, 7341)]