31151754

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1153}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 72009600

約数和(自身を除く): 40857846

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 79, 114, 158, 171, 237, 342, 474, 711, 1153, 1422, 1501, 2306, 3002, 3459, 4503, 6918, 9006, 10377, 13509, 20754, 21907, 27018, 43814, 65721, 91087, 131442, 182174, 197163, 273261, 394326, 546522, 819783, 1639566, 1730653, 3461306, 5191959, 10383918, 15575877, 31151754]

約数ペア:

[(1, 31151754), (2, 15575877), (3, 10383918), (6, 5191959), (9, 3461306), (18, 1730653), (19, 1639566), (38, 819783), (57, 546522), (79, 394326), (114, 273261), (158, 197163), (171, 182174), (237, 131442), (342, 91087), (474, 65721), (711, 43814), (1153, 27018), (1422, 21907), (1501, 20754), (2306, 13509), (3002, 10377), (3459, 9006), (4503, 6918)]